Cephalopods Daily (@cephalopodsdaily.bsky.social) / Redsky

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

🦑📷NOAA Ocean Exploration

1/9/2025, 11:42:36 PM | 1 0 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

Whip it good! Whiplash Squids (family Mastigoteuthidae) are a family of squids with very long tentacles, giving them a very silly look. These tentacles can be retracted into special sheaths, which are actually two of their arms. #SQUIDtember

A close up of a whiplash squid (family Mastigoteuthidae) floating a bit above the sea floor. Most of its limbs are together, with two of them spreading far out, forming a wishbone shape. The limb are on an angle compared to the rest of its body. The squid is a deep red.

A whiplash squid (family Mastigoteuthidae) floating near the sea floor, surrounded by marine snow. The squid's tentacles are extended, and all its arms are pointing down. The squid has a deep red colour, except for the ends of the tentacles which are a slightly red white.

A whiplash squid (family Mastigoteuthidae) floating above the seafloor. The squid has a deep dark red colour. The squid's mantle is pointing up, its arms are horizontal, its tentacles are sheathed and pointing downwards.

A whiplash squid (family Mastigoteuthidae) floating in the ocean. The squid has a deep red colour, except for the ends of the tentacles which are a slightly red white. The squid's mantle and arms are horizontal, while its tentacles are extended and going downwards.

1/9/2025, 11:42:36 PM | 7 3 | View on Bluesky | view

Sarah McAnulty, Ph.D. (@sarahmackattack.bsky.social) reposted

Happened upon a plant hopper rendezvous today. Very serious business going down in the bushes. Sorry to disturb, gentlemen. Carry on.

Two green plant hoppers, which look like rounded leaves, standing face to face on a plant stalk

1/9/2025, 11:14:49 PM | 136 21 | View on Bluesky | view

cow tools daily (@cowtoolsdaily.bsky.social) reposted

of course. who in their right mind would want to look at cow tools *daily*

Edited Nancy comic by Ernie Bushmiller. Nancy and Sluggi are at Sluggipo's house looking at a window so dirty it's opaque. Nancy says,

1/9/2025, 1:54:21 PM | 447 76 | View on Bluesky | view

Chris Mah (@echinoblog.bsky.social) reposted

A nice image of a pleurotamariid aka a slit-shell snail from Caja de Muertos during the 2018 #okeanos Oceanos Profundo expedition to Puerto Rico! #molluscmonday

snail with a shell that has a distinct slit in the edge facing the camera. orange with banded pattern

1/9/2025, 2:05:28 PM | 13 4 | View on Bluesky | view

Matt (@xenomatt.bsky.social) reposted

Two nudibranchs for #Invertefest (and #MolluscMonday). The one on the right is Chromodoris willani; the one on the left is either C. lochi or C. Elisabethina. Pic from Anilao. #MarineLife 🌿

Two nudibranchs on algae-covered rock. The one on the left has a light blue body with a white margin, a black encircling band and a black central stripe; it has yellow rhinopores and gills. The right-hand one has a light blue body with a white marginal band, a black encircling band, and two short black dorsal stripes; its rhinopores and gills are dark blue with white speckles. #UnderwaterPhotography #Macro #Nature #Wildlife #WildlifePhotography #NaturePhotography #Divesky

25/8/2025, 5:56:02 PM | 136 42 | View on Bluesky | view

David Shiffman, Ph.D. 🦈 (@whysharksmatter.bsky.social) reposted

“You’re gonna need a bigger float” at today’s Greenbelt Labor Day parade.

1/9/2025, 1:47:45 PM | 218 17 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

Truly Scorcese's magnum opus

1/9/2025, 3:44:32 AM | 2 0 | View on Bluesky | view

cow tools daily (@cowtoolsdaily.bsky.social) reposted

day 15 of posting a cow tools every day unless I don't

Single panel cartoon. A bipedal cow is wearing a bards hat and standing behind a table in a field. On the table, 4 horribly misshapen stringed instruments sit. Caption reads

22/11/2024, 8:40:39 PM | 173 23 | View on Bluesky | view

Danna Staaf (@dannastaaf.bsky.social) reposted

I'm squeezing a new panel of octopus pee worms into #InverteFest! (I'd hoped to finish two more panels after this one, but August wrecked me, so they'll have to wait for the next round) 🐙🦑🧪

A text-heavy comic panel with a yellow background. Upper text reads,

31/8/2025, 10:56:19 PM | 84 20 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

Went to the woods to take pictures of bugs before #invertefest ends and my phone ran out of space lol

31/8/2025, 9:57:13 PM | 12 0 | View on Bluesky | view

Petra Korlević (@petrathepostdoc.bsky.social) reposted reply parent

man, must be awkward at the family reunion when little velvet worm is sitting next to grampa cathulhu

Photo of a chubby pink velvet worm on a green backgroynf, just the chubbiesy worm like thing

31/8/2025, 3:28:04 PM | 35 5 | View on Bluesky | view

Petra Korlević (@petrathepostdoc.bsky.social) reposted

"AND THEN, AND THEN I CAUGHT A BUG, AND THEN AND THEN I ATE THE BUG, AND THEN..." happy end of #InverteFest lol, to know what is going on here check the reposted thread!

31/8/2025, 6:14:03 PM | 124 29 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

🐚📷Kai Squires (inaturalist.ca/observations...), Peter Ward, Shankar Meyer (www.inaturalist.org/observations...), Dunstan AJ, Ward PD, Marshall NJ

31/8/2025, 8:24:36 PM | 5 1 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

Nautiluses, the other group of surviving cephalopods, could not be more different from their coleoid cousins. They have their iconic external shells, but they also have 50+ cirri instead of 8-10 limbs and pinhole eyes. They also can live over 20 years, much longer than any other cephalopod.

Two Palau Nautiluses (Nautilus belauensi) floating in the ocean, face to face. They both have white spiral shells with brown stripes, a triangle shaped hood above its head that has a brown area with white spots, and many small appendages called cirri. Their eyes are simple pinhole type eye that a small circular opening with a vertical slit below it.

Chambered nautilus (Nautilus pompilius) (left) swimming next to a Fuzzy nautilus (Allonautilus scrobiculatus) (right). The chambered nautilus has a white spiral shell with orange stripes at the top, a triangle shaped hood above its head that has a brown area with white spots, and many small appendages called cirri. Its eye is simple pinhole type eye that a small circular opening with a vertical slit below it. The fuzzy nautilus looks very similar to the chambered nautilus, except the hood is smaller and curved downward, and its shell is mostly covered in a yellow fuzz called a periostracum.

A Bellybutton Nautilus (Nautilus macromphalus) floating just above the sandy seabed at night. They are illuminated by a diver's light.

A pair of Chambered nautiluses (Nautilus pompilius) feeding on two-spot red snapper (Lutjanus bohar) bait during daytime at 703 m (2,306 ft) depth. One is gripping the fish with its cirri while the other floats nearby.

31/8/2025, 8:24:36 PM | 83 29 | View on Bluesky | view

beetle moses (@beetlemoses.bsky.social) reposted

I wrote this simple outline to help webcomic artists come up with jokes

31/8/2025, 7:54:23 PM | 3492 470 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

As cool as squid are, it is their fate to not be at the top of the food chain. They are too tasty for their own good.

31/8/2025, 7:09:51 PM | 2 0 | View on Bluesky | view

Jeff Day (@jeffday.bsky.social) reposted reply parent

the two squid do resemble one another superficially however usually the LEMON SIZED PHOTOPHORES are an obvious distinguishing feature versus idioteuthis: youtu.be/xRs1r1UX4L4?...

31/8/2025, 7:01:14 PM | 27 5 | View on Bluesky | view

Jeff Day (@jeffday.bsky.social) reposted

shoutout to this iNaturalist user who appears to be an ROV pilot in the gulf of mexico and posts occasional biological observations, including A GODDAMN TANINGIA ATTACKING THE ROBOT ARM OF THE ROV www.inaturalist.org/observations...

31/8/2025, 2:32:21 AM | 1268 335 | View on Bluesky | view

Jeff Day (@jeffday.bsky.social) reposted

also if you see this and think this squid is scary, you should see them from the perspective of the marine mammals that eat them: movie.biologists.com/video/10.124...

31/8/2025, 6:52:02 PM | 16 5 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

If you give a cow a prongler

31/8/2025, 5:02:15 PM | 2 0 | View on Bluesky | view

cow tools daily (@cowtoolsdaily.bsky.social) reposted

day 122 of making a cow tools every day unless i don't

photo of a small deer, whose head has been replaced with that of the cow tools cow, standing in a garden outside an open window and looking in with the caption

10/3/2025, 11:26:09 AM | 274 42 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

I feel like I've been a bit lazy this #InverteFest (despite the hundreds of photos on my phone) but it brings tears to my eyes seeing so many people going out there and appreciating bugs.

31/8/2025, 2:22:42 PM | 3 0 | View on Bluesky | view

I'm Uni :3 (@unicouniuni3.bsky.social) reposted

Little gentleman in a box :3

A black and white tuxedo cat with bright yellow eyes, wearing a red bow tie, sitting snugly inside a small cardboard box. The cat’s face is peeking out, giving a gentlemanly and composed look.

31/8/2025, 1:20:21 PM | 5157 707 | View on Bluesky | view

Karin Wanderer (@karinwanderer.bsky.social) reposted

“Give every Sunday the chance to become the most beautiful #ShrimpSunday of your life.” – Mark Twain, almost ko-fi.com/karinwanderer #Art #ArtChallenge #Watercolor #Watercolour #Ink #Nature #MarineLife #Ocean #Shrimp #Invertefest

6 ink & watercolor shrimp decked out in their rainbow best.

31/8/2025, 12:28:13 PM | 33 10 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

I haven't even gotten to uploading my observations yet!

31/8/2025, 12:59:16 PM | 1 0 | View on Bluesky | view

Christine Beeton (@christinebeeton.bsky.social) reposted

My first time seeing a hammerhead worm. Their mucus contains a tetrodotoxin 😱 Southeast Texas, August 30, 2025 #Invasive #Photography #Invertebrates #TexasStateParks

A worm about 3 inches long, moving along in dirt. It is beige with a blach stripe along its back and a hammer shaped brown head

30/8/2025, 6:47:55 PM | 121 27 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

🐙📷Steve Smith (inaturalist.ca/observations...), Maarten De Brauwer (inaturalist.ca/observations...), Tony Strazzari (inaturalist.ca/observations...), Tony Strazzari (inaturalist.ca/observations...)

31/8/2025, 12:24:59 AM | 5 0 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

A Blue-lined Octopus's (Hapalochlaena fasciata) is able to kill a human with a bite, but they also use their bite to practice safe sex. The male will bite the larger female, injecting venom into her aorta and paralyzing her. This allows the male to mate without the risk of being eaten by the female

A photo of a Blue-lined Octopus (Hapalochlaena fasciata) on the sandy sea floor among sea grass. The octopus appears to be moving, with its arms curled backwards. Its mantle is tear drop shaped or like a milkweed seed pod, gong to a rounded point. It is has its papillae raised. It is a pale yellow colour, with black or dark brown areas. Inside the dark areas, are iridescent blue circles or lines.

A photo of a Blue-lined Octopus (Hapalochlaena fasciata) standing on the seafloor. Their mantle curves and then goes to a point, sort of like a mitre with extra pointy end. Their two front are raises and twisted around, as if it is impersonating sea grass. Its suckers are visible. It has a sandy beige colour and is covered in iridescent blue rings and lines in brown spots.

A Blue-lined Octopus (Hapalochlaena fasciata) crawling on the sandy sea floor. It has a rather flat posture with its arms, head and mantle all roughly on the same plane. Its arms are spread out horizontally and are curled at their ends, its head is level with its arms and its mantle is sticking out horizontally. The end of its mantle narrows to a nub. The octopus is a slightly yellow off white, with black patches that contain an iridescent blue ring or line.

A photo of a Blue-lined Octopus (Hapalochlaena fasciata) standing on the sandy seabed. Their mantle curves and then goes to a point, sort of like a mitre with extra pointy end. Their two front are raises and twisted around, as if it is impersonating sea grass. Its suckers are visible. It has a sandy beige colour and is covered in iridescent blue rings and lines in brown spots.

31/8/2025, 12:24:59 AM | 65 15 | View on Bluesky | view

Sarah McAnulty, Ph.D. (@sarahmackattack.bsky.social) reposted

Its true, its true! And the other thing is, my sister had a baby and I took it over because she passed away, and the baby lost all its legs and arms and now it’s nothing but a stump.

30/8/2025, 9:46:48 PM | 88 2 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

Isn't technology wonderful?

30/8/2025, 4:44:56 PM | 2 0 | View on Bluesky | view

Kiabugboy (@kiabugboy.bsky.social) reposted

Rotating the blorbo

30/8/2025, 3:28:19 PM | 34 5 | View on Bluesky | view

I'm Uni :3 (@unicouniuni3.bsky.social) reposted

Soggy Uni

A black and white tuxedo cat with bright yellow eyes sitting in a bathtub, wet from water, looking up at the camera with a slightly soggy appearance.

30/8/2025, 1:07:09 PM | 4624 1053 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

For some reason, having the contact as "Jim Dad" is funny to me even though its perfectly normal and I think I'm the weird one for having my parent's contact be their full name

30/8/2025, 3:25:09 PM | 8 0 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

The most famous hunting behaviour for cuttlefish is the Broadclub Cuttlefish's (Ascarosepion latimanus) "passing-stripe" display. The cuttlefish will extend its arms and create a pattern of downward moving stripes, which confuses prey long enough for the cuttlefish to strike. 🦑📽️Julian Finn

29/8/2025, 8:19:45 PM | 224 49 | View on Bluesky | view

Rebecca | Palaeoplushies (@palaeoplushies.com) reposted

Previously only seen at Dinocon- two new Palaeoplushies make an appearance! The famous Anomalocaris, and the jawless fish Zenaspis! These two are available for the first time over on my website! www.palaeoplushies.com

A realistic plush anomalocaris, made of printed fabric and plastic safety eyes. It is red and orange with blueish flippy flappers and big beadie black eyes

A realistic plush devonian jawless fish- this creature has a big horseshoe-shaped head and articulated scaled body and fins. It has two shining golden eyes staring from on top of the shield-head. it's mottled brown with a hint of blue.

29/8/2025, 3:26:15 PM | 185 57 | View on Bluesky | view

beetle moses (@beetlemoses.bsky.social) reposted

29/8/2025, 6:14:34 PM | 2206 332 | View on Bluesky | view

Blue Appaloosa (@blueappaloosa.bsky.social) reposted

#InverteFest

29/8/2025, 4:09:41 PM | 39 12 | View on Bluesky | view

ManiacalZ | VA\VO (@maniacalz.bsky.social) reposted

how your email finds me

29/8/2025, 3:25:42 PM | 31 16 | View on Bluesky | view

cow tools daily (@cowtoolsdaily.bsky.social) reposted

i'm sure you can understand

Screenshots from Fantastic Four: First steps. At a press conference, still wearing a space suit, Reed Richards says,

29/8/2025, 1:36:57 PM | 353 40 | View on Bluesky | view

Ele Willoughby (@minouette.bsky.social) reposted

Another mollusc repeat pattern for #inverteFest! 🧪🐡 This one is made with my linocut nautilus. Cephalopods, like octopuses and squid, the nautili grow their own shells and are known as “living fossils,” having survived relatively unchanged for millions of years. #linocut #printmaking #spoonflower

As described this is a repeat pattern made with a random smattering of my linocut nautilus (and its reflection) in variable bronze-gold-purple ink on white, against a light teal background

29/8/2025, 11:55:10 AM | 94 26 | View on Bluesky | view

SAHASA 🐙 🇪🇺 (@sculptedreef.com) reposted

#InverteFest 🎉 Makana the Day Octopus 🐙 Sculpted from clay and lovingly painted 🎨 #Art #ArtYear #ArtGallery #BSNM #CoralReef #ReefSpecies #Sculpture #PolymerClay 🦑🐡

A flowy octopus sculpture depicting the species

28/8/2025, 9:41:02 PM | 182 41 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

Hey, man, are you going to clean up all of your take out containers or what? 🐙📷 Shaun Lee (inaturalist.ca/observations...)

A Common Sydney Octopus (Octopus tetricus) sitting behind a midden of empty bivalve shells. The shells were previous meals for the octopus. You can just barely see the octopus's eye peering over the pile.

29/8/2025, 12:38:04 AM | 20 6 | View on Bluesky | view

Kat (@katriddell.bsky.social) reposted

GET EEL FACTS GET ‘EM AT EEL FACTS DOT NET YOU CAN GET THEM ON A SHEET FROM THE INTERNET

28/8/2025, 10:44:06 PM | 45 9 | View on Bluesky | view

Sarah McAnulty, Ph.D. (@sarahmackattack.bsky.social) reposted

The next eel reel won't be ready for a while, but Ribbon Eel is ready *right now*. I can hear him anxiously mouth-breathing right now. (Help ease his anxiety, get eel facts at eelfacts.net)

a ribbon eel's mouth gapes open with a frazzled expression and next to him it says ribbon eel

28/8/2025, 9:55:19 PM | 110 24 | View on Bluesky | view

Chentomology (@chentomology.bsky.social) reposted

The Great Old Ones - this is something already existed in my mind when illustrating the previous cephalopods piece; and so glad I’ve completed it so now I can display them side by side💙 Never stop missing prehistoric cephalopods! Thinking about making this one a silver foiled print as well!

28/8/2025, 7:04:26 PM | 302 123 | View on Bluesky | view

Lisa (@tuexplorer1.bsky.social) reposted

Muusoctopus @schmidtocean.bsky.social dive 832 #uruguaysub200 #MarineLife

28/8/2025, 8:31:27 PM | 46 13 | View on Bluesky | view

Lisa (@tuexplorer1.bsky.social) reposted

Also found this squid from the @schmidtocean.bsky.social archives. Gonatus? What a cool 👁. Dive 337 #ningaloocanyons #MarineLife

28/8/2025, 3:11:04 PM | 40 7 | View on Bluesky | view

beetle moses (@beetlemoses.bsky.social) reposted

28/8/2025, 2:04:24 PM | 4705 810 | View on Bluesky | view

Jen Cross (@jencross.bsky.social) reposted

Here is a wee Peppered Jumping Spider I found today for #InverteFest. She's standing on goldenrod buds, just a tiny little thing.

A small spider with two large forward facing eyes. She is clinging to a green goldenrod bud that is the size of her.

28/8/2025, 12:50:15 AM | 276 23 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

Wow... what a square 🦑📷Glenn Biscop (inaturalist.ca/observations...)

A European Common Cuttlefish (Sepia officinalis) sitting on the sandy seafloor. It has its two centre arms sticking out in front and slightly up. It has a brown, sandy mottled and bump texture over most of its body. Its eyes, arms, tip of its mantle and a rectangle in the centre of of its mantle are an off-white colour.

28/8/2025, 1:40:00 AM | 27 7 | View on Bluesky | view

franz (@franzanth.bsky.social) reposted

"Lovebugs, also known as honeymoon flies, can spend anywhere from a half-hour to a couple of days attached to each other." me and who #InverteFest

28/8/2025, 1:35:17 AM | 26 5 | View on Bluesky | view

Michael Middlebrooks (@secretsluglab.bsky.social) reposted

Two for one invertebrates for #InverteFest. Here is the nudibranch Hypselodoris tryoni, in Komodo Indonesia, where you can see the purple eggs of a parasitic copepod sticking out from the slug's gill pocket. #sluglife #nudibranch🧪🦑

A yellow nudibranch see slug with dark purple spots. The spots have a white border around them. The slugs' mantle is has a purple edge. In the gills of the slug you can see some purple parasitic copepod eggs sticking out.

27/8/2025, 7:17:03 PM | 67 21 | View on Bluesky | view

Randall Munroe (@xkcd.com) reposted

Dual Roomba xkcd.com/3133/

4-panel comic. (1) [Roomba next to two people] PERSON 1 to Person 2 with white hat: The Roomba keeps my floor clean. But what do I do when the *Roomba* gets dirty? (2) PERSON 1: Simple: I got a second Roomba and a ramp, so they can clean each other. [a second Roomba takes ramp to be on top of first Roomba] (3) PERSON 1: After the tops are clean, I flip one of them over so they can clean each others’ undersides. [flips Roomba upside down] (4) [stacked Roombas vibrating] PERSON 2: There’s nothing NSFW about this, and yet it’s the most NSFW thing I’ve ever seen. PERSON 1: Yeah, my YouTube DIY video about it got demonetized.

27/8/2025, 9:58:40 PM | 3791 797 | View on Bluesky | view

Palaeoiris (@palaeoiris.bsky.social) reposted reply parent

If these charming nautilus are your cup of tea, check out our store! www.etsy.com/shop/palaeoi... #pride #paleoart #queer #fossils

27/8/2025, 6:15:24 PM | 45 14 | View on Bluesky | view

Russell Thomas (@russellthomasart.bsky.social) reposted

A couple more bug doodles for #InverteFest! Will be starting on another post for tomorrow here shortly. All I know is that bugs get weirder the more you look at them. Ohuhu alcohol markers with Faber-Castell polychromos in a Stillman and Birn Zeta sketchbook. #art #sciart #bugs #bugsky #insect

27/8/2025, 4:32:23 PM | 44 8 | View on Bluesky | view

Mizzy ✨🦷✨ (@pastelmizzy.bsky.social) reposted

Since I took so many photos and I will literally go crazy if I try to edit them all at once, I decided I will edit them just as I go and then share them once a day. Plus this fits with #invertefest! Here is todays little guy, the Acorn Weevil (Curculio glandium)! I adore this banger of snoot!

A photograph of an adult Acorn Weevil (Curculio glandium). It is a weevil approximately seven millemeters long excluding the nose, which by itself is as long as the body and resembles a long black straw. The nose also has two antennae coming off of it, which come up at a forty five degree angle and then bend again at another forty five degrees to point forward, resembling a very skinny and long pair of bulls horns. The weevils body itself resembles a long acorn, being a slightly mottled brown and darker on the head. It has two very round eyes at the front and its head is covered in very small brown hairs. It has six legs that give it a pretty high center of gravity for it's size. The front two pairs are closer together, facing forward, while the back pair support the rear of the creature and have more of a squat. The upper section of the legs are thicker near what you would consider the knees. The Acorn Weevil has almost comically large feet. In this particular photograph the Acorn Beetle is standing on top of a white sheet and is next to a smaller insect.

27/8/2025, 3:30:11 PM | 41 13 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

Hold up, I'm calling a snuber

27/8/2025, 5:23:47 PM | 3 1 | View on Bluesky | view

cyclonus11.bsky.social (@cyclonus11.bsky.social) reposted

SNAIL RIDES!! #InverteFest #snails #molluscs #mollusks #springtails #hexapods #invertebrates #inaturalist #nature #photography

A couple of springtails on top of a bladder snail

27/8/2025, 3:23:23 PM | 31 3 | View on Bluesky | view

sgrd (@selveste.bsky.social) reposted

Heldig er den som får se SVÆRE TROLLKRABBER på havbunnsvideoen sin. Men hva i helsike? #invertefest (alt text in English)

Screenshot from ROV video: Gravelly seabed with coral rubble at 90 m water depth in Trondheimsfjorden, mid-Norway. A huge Norway king crab (Lithodes maja, i.e. not the invasive Kamchatka crab) faces the camera while gripping a much smaller king crab firmly by its legs with both claws. Two laser dots visible above the bigger crab are spaced 10 cm apart, indicating that the bigger crab has a ca. 14 cm wide carapace and a legspan of maybe 60 cm, while the smaller crab has a carapace size of ca. 8-9 cm. The tentacles of an orange anemone are visible in the lower right corner. ROV video clip in next post shows the big crab maneuvering across the coral rubble and over the anemone while carrying the smaller crab off to somewhere.

27/8/2025, 2:34:47 PM | 21 5 | View on Bluesky | view

Riley Black 🦕 🏳️‍⚧️ (@restingdinoface.bsky.social) reposted

What lovely tentacles you have! The upper tentacles of snails house the eyes, but even more important is the lower pair. The tentacles closet to the ground are their sniffers, picking up olfactory cues. #InvertFest

A common brown snail on a concrete sidewalk

27/8/2025, 3:41:55 PM | 129 32 | View on Bluesky | view

Erin Sherman 🌱 65n Chesapeake rolling coastal plain (@wearegonnafindout.bsky.social) reposted

Literally just a monarch caterpillar chowing down on a butterfly weed seed pod for 15 seconds (no sound) 🌱🐛🦋 #insects #invertefest #nativeplants

26/8/2025, 11:48:46 PM | 316 66 | View on Bluesky | view

Jo Wolfe, PhD (@jopabinia.bsky.social) reposted

#InverteFest

27/8/2025, 1:39:39 AM | 16 1 | View on Bluesky | view

Jill🌻 (@jillsunflower.bsky.social) reposted

Moth buddy got his antennae 🪡✨ #inverteFest #embroidery #fiberArt

A cream-colored fabric background with green ferns woven into the fabric, and an appliqué moth with blue and green variegated wings and contrast stitching, a fluffy faux fur body, and frondsy lime green antennae

26/8/2025, 10:57:03 PM | 76 20 | View on Bluesky | view

Eliza Stein (@elizastein.bsky.social) reposted

Snail trails for #invertefest 🐌🩷🐌 www.etsy.com/listing/1738... #bsnm #art

Print of my illustration of two snails making intertwined heart shaped slime trails. It says “I love you” underneath them.

26/8/2025, 10:16:20 PM | 83 18 | View on Bluesky | view

Disney Prime Video + (@disneyprimevideo.bsky.social) reposted reply parent

Moolight (2016)

A lonely cow trying to find someone to play with his tool

27/8/2025, 1:54:20 AM | 260 24 | View on Bluesky | view

Ligus (@greyauk.bsky.social) reposted

I'm late again for #InverteFest Little flapjack octopus in process 🐙

nib pen drawing of a flapjack octopus sideview beside it is written

26/8/2025, 7:09:32 PM | 122 18 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

"Will you make me the happiest man in the world, and let me keep this tiny octopus?" 🐙📷Bryan J (inaturalist.ca/observations...), Uriel Mont

A man proposing to his boyfriend, except instead of a ring in a box, they are holding a Coconut Octopus (Amphioctopus marginatus) hiding in a bivalve shell. The octopus is beige and brown, and the shell is mostly open and biege. Its arms are tucked together and it has its papillae raised, including above its eyes. It is night time, and there is a glass building or greenhouse out of focus in the background. The man on the right is kneeling, and has a brown scarf and a light blue coat. The man of the left is standing, smiling and covering their mouth, and is wearing a beige coat.

26/8/2025, 8:12:22 PM | 27 5 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

I'm surprised they haven't tried to claim whales are being struck by the blades yet

26/8/2025, 8:10:35 PM | 1 0 | View on Bluesky | view

cow tools daily (@cowtoolsdaily.bsky.social) reposted

always appreciated Dr. Moonhattan's arc

edited panel from the Watchmen comic. On a pink, barren mars, a blue cow stands behind a small rock formation with a table on it. The table contains 4 crudely made tools: a lump, a lump with a handle, a stick with two hooked prongs at the end, and a hand saw with irregular teeth. On the cows forehead is a symbol resembling the lump-with-handle, with a dot in the middle. A blue text box reads,

26/8/2025, 1:46:09 PM | 1205 315 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

xkcd.com/1044/

26/8/2025, 6:38:21 PM | 7 0 | View on Bluesky | view

Sarah McAnulty, Ph.D. (@sarahmackattack.bsky.social) reposted

You get your eel facts advent calendar yet? I need to make sure we have a banger of an advent calendar season so that Skype a Scientist can go into 2026 swinging. We're 11% of the way to the advent calendar goal (which is pretty far behind last year. I'm hoping I can turn it around). EelFacts.net

26/8/2025, 6:04:06 PM | 100 58 | View on Bluesky | view

Noll (@nollthere.bsky.social) reposted

New art for both #InverteFest and #EndangArt. The endangered Fender's blue butterfly and its threatened host plant, Kincaid’s lupine. #Art #SciArt

Digital painting of a Fender's blue butterfly with a piece of Kincaid’s lupine flowers and leaf.

26/8/2025, 6:12:32 PM | 145 58 | View on Bluesky | view

David Clark (@clarkeocrinus.bsky.social) reposted

I have one too! #InverteFest #TrilobiteTuesday

26/8/2025, 5:15:37 PM | 51 7 | View on Bluesky | view

Randall Munroe (@xkcd.com) reposted

Coastline Similarity xkcd.com/3132/

Comic. (1) [Teacher points to world map that highlights the edges of South America’s eastern coastline and Africa’s western coastline.] TEACHER: People had long noticed that South America and Africa had similarly-shaped coastlines. (2) TEACHER: In the 20th century, geologists finally found the explanation. (3) STUDENT: *Plagiaris*— TEACHER: Continental drift. STUDENT: Oh.

26/8/2025, 5:42:11 PM | 2843 377 | View on Bluesky | view

Milo Milo (@bonmotmilo.bsky.social) reposted

Some fabulous snoots for #invertefest !

A lanternfly with the text ‘Pyrops candelaria’

26/8/2025, 2:49:42 PM | 69 23 | View on Bluesky | view

franz (@franzanth.bsky.social) reposted

"Tourist discovers ‘extinct’ jellyfish while rock-pooling in Outer Hebrides" this is why #InverteFest encourages you to smell the flowers and ogle the critters. cameras have gotten exponentially better over the years and EVERYONE has a high chance of making scientific discoveries in normal places.

26/8/2025, 12:52:45 PM | 393 120 | View on Bluesky | view

beetle moses (@beetlemoses.bsky.social) reposted

26/8/2025, 3:36:05 PM | 1194 184 | View on Bluesky | view

iNaturalist (@inaturalist.bsky.social) reposted

never gets old 🪲😌🐞 #InverteFest

26/8/2025, 2:57:29 PM | 60 5 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social)

I know I'm six years late to this but my thoughts have been consumed by the "one million dollars or one billion portable grills" hypothetical

26/8/2025, 3:04:01 PM | 1 0 | View on Bluesky | view

Alli’s Nature Journal (@anaturejournal.bsky.social) reposted

Luna Moth (Actias luna). I like to call them forest fairies 🧚 #ActiasLuna #bugsky

A light, lime-green Luna Moth anchored on a tree sapling drying its wings. Adult luna moths live a short life span of approximately 10 days with its sole purpose to find a mate and create the next generation of luna moths. Adults have no mouths. They mate after midnight. Females deposit eggs on host trees that include Walnut, Persimmon, Hickory, Sweetgum, Birch, White Oak, Pecan, and Beech. Caterpillars feed on the leaves for approximately 6 weeks. moths lunamoth invertebrates biodiversity habitatgardening wildlifegardening

26/8/2025, 10:56:07 AM | 659 71 | View on Bluesky | view

仂㌠ (@ikas9uidcalamar.bsky.social) reposted

ダンシングいかさん

26/8/2025, 12:57:56 PM | 18 5 | View on Bluesky | view

でんか (@k-hermit.com) reposted

🐙

26/8/2025, 12:56:39 PM | 200 45 | View on Bluesky | view

Blue Owl Song (@blueowlsong.bsky.social) reposted

Happy #InverteFest! 🐛🐝🪲🦗🦋🐞🪱

25/8/2025, 5:55:19 PM | 40 9 | View on Bluesky | view

Jo Wolfe, PhD (@jopabinia.bsky.social) reposted

Even Bouie is doing #InverteFest!

26/8/2025, 1:58:09 AM | 49 3 | View on Bluesky | view

Cephalopods Daily (@cephalopodsdaily.bsky.social) reply parent

Wow, you're just going to reward them for their behaviour?

26/8/2025, 2:56:11 AM | 4 0 | View on Bluesky | view

Kelporama (@kelporama.bsky.social) reposted

Unruly children will be placed in the Invertebrates Hole #InverteFest

26/8/2025, 2:09:30 AM | 66 10 | View on Bluesky | view

The One True Kat (@theonetruekat.bsky.social) reposted

Out at the bypass, meeting new friends. #invertefest

25/8/2025, 6:58:02 PM | 43 10 | View on Bluesky | view

D. Allan Drummond (@dadrummond.bsky.social) reposted

Ohhh we just found a second male and he looks like a real contender 😈 #Invertefest #invertebrate

25/8/2025, 6:53:26 PM | 169 19 | View on Bluesky | view

Rachel Ignotofsky (@rachelignotofsky.bsky.social) reposted

Illustration of the Cambrian explosion! Based on the fossils found in the Burgess Shale in Canada. This 500 million year old ecosystem is a drawing from my new book: DINOSAURS📚🦕 which covers a lot more than just the Mesozoic! Preorder book here: a.co/d/79dZ2Qb #fossiladdict #sciart #paleoart

14/8/2025, 5:18:17 PM | 188 62 | View on Bluesky | view

Jo Wolfe, PhD (@jopabinia.bsky.social) reposted

#InverteFest minus Pikaia

25/8/2025, 10:09:35 PM | 17 4 | View on Bluesky | view

Sarah McAnulty, Ph.D. (@sarahmackattack.bsky.social) reposted

Me , fossilized, mid-squid fact, talking about cephalopod evolution juuuuust as I got to the part about ammonites.

25/8/2025, 10:29:49 PM | 276 24 | View on Bluesky | view

MBARI (@mbarinews.bsky.social) reposted

This little piggy went to the deep sea 🐽😍 ⁠ Sea pigs (Scotoplanes sp.) are one of the most commonly sighted animals on the seafloor off Monterey Bay—but plentiful hardly means boring. Unlike most sea cucumbers, sea pigs use their long, stilt-like tube feet to suspend their bodies above the soft mud.

25/8/2025, 8:46:55 PM | 121 24 | View on Bluesky | view

Jo Wolfe, PhD (@jopabinia.bsky.social) reposted

#InverteFest

25/8/2025, 6:33:37 PM | 21 1 | View on Bluesky | view

Randall Munroe (@xkcd.com) reposted

Cesium xkcd.com/3131/