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a squid
Article

Meet the Only Squid that Willfully Lops off its Arms

Lopping off one’s arm sounds like a harrowing experience, but for one deep-sea...
August 2019
dead coral from disease
Article

Sickness in the Sea: A Coral Plague Hits Florida

Florida corals had a rough 2014. During that year higher than normal ocean...
August 2019
The Komodo National Park site in Indonesia was inscribed on the World Heritage List in 1991. The site hosts "Komodo dragons" (Varanus komodoensis), a unique species that exists nowhere else in the world and is of great interest to scientists studying evolu
Article

Tunicates—Not So Spineless Invertebrates

There are thousands of marine invertebrate animals in the ocean, from small to...
June 2018
a colorful octopus in blackwater
Photo

A Dazzling Ocotopus

“If you dive Hawaiian reefs, you might see 3 or 4 species of cephalopods....
a jelly-like nudibranch that is see through
Photo

Sea Slugs that Fly

“Prior to focusing on the black water dives, I loved to photograph nudibranchs at...
Juvenile Clam with Tentacles
Photo

Spaceship Mollusk

No, this is not an alien spaceship from another world—it is a baby file clam...
Mangrove Salt Glands
Photo

How Mangroves Deal with Saltwater

Looking at a white mangrove (Avicennia marina) leaf cross-section under the...
Fireworm Setae
Photo

Fireworm Bristles

No, this isn't a bundle of paintbrushes: you're looking at a fireworm...
Even when a lobster is still a developing egg, you can see some of its adult features: an eye and legs.
Photo

Lobster Egg

Even when a lobster is still a developing egg, you can see some of its adult...
This tentacle belongs to a blue button. While it has a central “float” with streaming tentacles like typical jellyfish, the blue button is a colony of many small hydroid animals.
Photo

Blue Button Tentacle

This tentacle belongs to a blue button (Porpita porpita), an animal that looks like...
Lacy Crust Bryozoans
Photo

Lacy Crust Bryozoan

This colony of a lacy crust bryozoan (Membranipora membranacea) started off as just...
A live coral polyp with turquoise tissue and brown tentacles closes its mouth (the slit at the center of the radiating ribs) tight.
Photo

Closed-Mouth Coral

A live coral polyp with turquoise tissue and brown tentacles closes its mouth (the...

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