Category: Echinoderms

Slime Star

Slime Star (Hymenaster sp.) Hagfish aren’t the only marine species that have a slimy defense mechanism: Pterasterids are deep-water sea stars that

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August 16, 2023

Fragile Pink Sea Urchin

Fragile Pink Sea Urchin (Strongylocentrotus fragilis) Commonly seen at the Oregon Offshore and Slope Base sites, S. fragilis is a regular sea

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August 16, 2023

Feather Stars (Crinoids)

Feather Stars (Crinoids) Suspension-feeding, unstalked crinoids (also known as feather stars) are a common sight on the Shallow Profiler platforms, particularly near

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August 16, 2023

Zoroaster Sea Stars

Zoroaster Sea Stars (Zoroaster sp.) We have encountered several species of Zoroaster sea stars, a widespread genus of mostly deep-water echinoderms, at

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August 11, 2023

Pedicellasterid Sea Stars

Pedicellasterid Sea Stars (unidentified species) Several species of pedicellasterid sea stars have been seen at Southern Hydrate Ridge. These carnivorous, five-armed sea

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August 11, 2023

Hippasteria Sea Star

Hippasteria Sea Star (likely Hippasteria californica) Hippasteria is a genus of sea star in the family Goniasteridae (which is very diverse), mainly

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August 9, 2023

Brisingid Sea Stars

Brisingid Sea Stars The Brisingidae are a family of deep-sea sea stars, named after Brísingamen, a necklace belonging to Freya from Norse

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August 9, 2023

Sunflower Sea Star

Sunflower Sea Star (Pycnopodia helianthoides) This sea star, found in the northeastern Pacific Ocean, is one of the largest sea stars in

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July 18, 2023

Sun Star

Morning Sun Star (Solaster dawsoni) These sea stars are found on either side of the North Pacific, usually in rocky habitats but

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June 1, 2023