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Chris Mah

@echinoblog.bsky.social

4.7K followers 780 following 2.9K posts

The "starfish guy" (but I also know a little about a lot of marine invertebrates, #echinoday #echinoderms. Kaiju, comics enthusiast. Marine scientist, taxonomist, deep-sea researcher etc... statements made here are my own and do not rep host organizations

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Chris Mah @echinoblog.bsky.social · Nov 17

A recent account of my research in the NYT! by @megadarren.bsky.social ! #echinoday www.nytimes.com/2023/08/04/s...

New Antarctic Starfish Are Doting Parents and Vicious Predators (Published 2023)

A close examination of a collection of starfish in the Smithsonian revealed even more starfish inside those starfish.

www.nytimes.com

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Lisa @tuexplorer1.bsky.social · 4h

This one looks more like benthodytes than Enypniastes to me. 4290m(sh) @nautiluslive.org #CookIslands #MarineLife

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James Medlock @jdcmedlock.bsky.social · 8h

“I’ll declare war on you if you don’t give me the peace prize” is an incredible bit

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Biodiversity Heritage Library @biodivlibrary.bsky.social · 5h

It's #NautilusNight!⁣ The common name "paper nautilus" for the genus Argonauta comes from the Greek ναυτίλος nautílos, meaning "sailor". People once believed these octopuses used two of their arms as sails, as seen in this #SciArt from "Zoography" (1807) www.biodiversitylibrary.org/page/54312693 🧪

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Lisa @tuexplorer1.bsky.social · 5h

This kinda looks like one of those black ctenophores, just pale. 4413m @noncompliantcyborg.bsky.social check that one out! From @nautiluslive.org #CookIslands #MarineLife

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Lisa @tuexplorer1.bsky.social · 5h

Enypniastes 4413m. @nautiluslive.org #CookIslands #MarineLife

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Lisa @tuexplorer1.bsky.social · 5h

Sponge, sea star, worm squiggles?, & cusk? @nautiluslive.org #CookIslands #MarineLife

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でんか @k-hermit.com · 17h

₍₍⁽⁽🦐₎₎⁾⁾

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MBA Library @nmbluk.bsky.social · 22h

It's #NautilusNight!

To shell-ebrate we have this beautiful illustration of the shell of the chambered nautilus, taken from an 18th Century book on shells by GW Knorr

hand coloured illustration of a nautilus. The top illustration shows the shell in full, and the bottom illustration shows a slice of the shell and the chmabers within.

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MBARI @mbarinews.bsky.social · 8h

In our newest edition of deep-sea animals that can dance better than you, we present the siphonophore samba by Apolemia rubriversa.💃⁠
⁠
Siphonophores (pronounced “sigh-fawn-oh-fours”) are colonial creatures made up of specialized segments that work together as one.

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TheColfaxxx 🐢 @thecolfax.bsky.social · 19h

In the Samaria Gorge on the island of Crete, Greece, lies a very deep cave with a continual cold spring waterfall. To reach it, you have to swim about 100 meters in 10 degree (C) water. I spent time thinking about hypothermia I was so cold. Nice payoff tho.

Pic of the day

#photography

Walls of the cave direct you to a small bright opening in which a cold mountain spring falls to bright turquoise water.

Along with Denali Mountain and Bryce Canyon, this is the most majestic place I’ve ever been.

My teeth rattling even as I could stand in only waist deep water kept me from fully enjoying it,, but no chance I was missing this just for some discomfort.

It seemed to get progressively colder tho so this is about as close as I got. In later days I’ll post a shot looking back thru the caves. The video I took is really the best indicator of the beauty here but I dunno if I can post that here or not. I may try in the comments later today.

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Lisa @tuexplorer1.bsky.social · 8h

Some sponges and a Brisingid from @nautiluslive.org #CookIslands #MarineLife 4500m

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Schmidt Ocean Institute @schmidtocean.bsky.social · 1d

In celebration of World Octopus Day, we wanted to revisit one of our favorite cephalopod sightings, the glass octopus — Vitreledonella richardi filmed during a month-long #PhoenixIslandsCoral expedition in 2021.

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Rebecca R Helm @rebeccarhelm.bsky.social · 11h

CAN YOU GUESS THIS ONE?? 👀

(Thanks to @schmidtocean.bsky.social for letting me share their video!)

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Chris Mah @echinoblog.bsky.social · 11h

Join/watch Dr. Sarah Tweedt of @invertebratesDC talk about recover of ARMS the Artificial Reef Monitoring Structures from the Gulf! After a year on the seafloor, what kinds of critters have settled? www.youtube.com/live/8TGOQBr...

Gulf Restoration Live! ARMS: Unlocking Ocean Biodiversity

YouTube video by Inner Space Center

www.youtube.com

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Nicole 🪲 @fossilforager.bsky.social · 13h

Whale Fall pin 🦀🐋🦑

A photo of a large gold-plated enamel pin photographed on top of a lichen-covered rock. The enamel pin features a whale skeleton covered with various deep sea creatures, such as octopuses, hagfish, a giant isopod, a crab, and chimaeras.

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Jo Wolfe, PhD @jopabinia.bsky.social · 14h

My thinking was that it's not hairy enough to be Moreiradromia antillensis, doesn't look to have the pink claws. But idk the shape is indeed a bit more Dromiidae now that I see it on a real screen...

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仂㌠ @ikas9uidcalamar.bsky.social · 15h

10月10日はWorld Squid Day !
(動画は生まれたてのホタルイカ)

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Terumbu @terumbudivers.com · 15h

Crab, night dive
#gili #giliislands #lombok #diving #scuba #trawangan #diveandstay #giliair #fish #ocean #sealife #marinelife #nightdive #reef #crab

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Amy @lolennui.bsky.social · 1d

oh hell yeah youtu.be/nGZOFyLrCwk?...

Slug Eating Spaghetti Time Lapse (With Stopwatch Timer)

YouTube video by Nature's Fantastic

youtu.be

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Elizabeth Neswald @octobeth.bsky.social · 1d

Canadian octopus beer

can of beer called octopus wants to fight. IPA. Image is an angry looking octopus with boxing gloves on four arms and a couple of scattered bandaids.

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Chris Mah @echinoblog.bsky.social · 14h

thank you!

Chris Mah @echinoblog.bsky.social · 1d

possibly a dromiid or sponge crab? Perhaps @jopabinia.bsky.social would know more specifically. I will need to check

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Miles Zhang | 张远濛 @ymilesz.bsky.social · 1d

Anyone know what this little carrier-crab-like thing is? Asking for a friend, found during a survey in Southern New England. cc @jopabinia.bsky.social

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Chris Mah @echinoblog.bsky.social · 1d

#octopusday #worldoctopusday

MBARI @mbarinews.bsky.social · May 21

Pretty little babies 🥰😍⁠
⁠
The pearl octopus (Muusoctopus robustus) mates and nests in deep-sea thermal springs, where the warm water seeping from the seafloor accelerates the development of their embryos.⁠

Learn more: www.mbari.org/animal/pearl...

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Chris Mah @echinoblog.bsky.social · 1d

#octopusday #worldoctopusday

MBA Library @nmbluk.bsky.social · 1d

Time for another #cephalopod as today is #WorldOctopusDay! To celebrate our eight armed friends, our Library Assistant has chosen one of her favourite illustrations - Muusoctopus levis from the German Deep-Sea Expedition 'Valdivia' 1898-1899 🐙

colour illustration of the dorsal (top) view of Muusoctopus levis.

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