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Keishu Asada

@CephWarden • 3,326 subscribers

A warden of Sand Quentin. Now mostly posting on BlueSky. Marine Fieldwork Specialist at the Okinawa Institute of Science and Technology (OIST)

Shorts

A leafy decorator crab that lives among the tiny algae that sparsely grow on the sandy dunes.

A leafy decorator crab that lives among the tiny algae that sparsely grow on the sandy dunes.

63,166 Aufrufe

This looooong nudie is practically an entire train all by itself. I'm pretty sure I've seen this species many times before, but never one this long.

This looooong nudie is practically an entire train all by itself. I'm pretty sure I've seen this species many times before, but never one this long.

52,086 Aufrufe

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A goofy hydrozoan. Is it meant to swim like this or are its muscle contractions are not synching up correctly? Reminds me of a time we woke up a nocturnal deigo flower hat jelly (Olindias deigo), which swam like a flapping taco a bit before it began to swim like a normal jelly.

A goofy hydrozoan. Is it meant to swim like this or are its muscle contractions are not synching up correctly? Reminds me of a time we woke up a nocturnal deigo flower hat jelly (Olindias deigo), which swam like a flapping taco a bit before it began to swim like a normal jelly.

512,703 Aufrufe • vor 3 Jahren

The other day I finally saw something that I've wanted to see for a long time, and might never again. Phylliroe! This alien looking thing is in fact a nudibranch that's evolved to live in open water. Its fish-like morphology is often cited as an example of convergent evolution.

The other day I finally saw something that I've wanted to see for a long time, and might never again. Phylliroe! This alien looking thing is in fact a nudibranch that's evolved to live in open water. Its fish-like morphology is often cited as an example of convergent evolution.

156,536 Aufrufe • vor 3 Jahren

A little purple fairy fluttering through the reef, the batwing sea slug Sagaminopteron ornatum. Perhaps my favorite sea slug. Filmed in slow motion.

A little purple fairy fluttering through the reef, the batwing sea slug Sagaminopteron ornatum. Perhaps my favorite sea slug. Filmed in slow motion.

13,984 Aufrufe • vor 2 Jahren

A ghost pipefish. When something so beautiful tries so hard not to be seen

A ghost pipefish. When something so beautiful tries so hard not to be seen

12,387 Aufrufe • vor 2 Jahren

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