Sealife guideThe Ophiuroidea classThe taxonomy of marine species
Explore the taxonomy of marine echinoderms with a dedicated focus on starfish and sea urchins !
The class Ophiuroidea consists of marine animals characterized by a central disc-shaped body, surrounded by long, thin and often very mobile arms that allow them to move quickly and feed by capturing food particles. Unlike starfish, ophiuroids do not have tube feet and their arms are equipped with specialized structures for locomotion and feeding.

Giant basket star
(Astrophyton muricatum)
(Astrophyton muricatum)

Green Brittle Star
(Ophiarachna incrassata)
(Ophiarachna incrassata)
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Wednesday, July 9th 2025
Fort Lauderdale, the Venice of America
Located just 28 miles north of Miami, the city of Fort Lauderdale is a chic yet laid-back destination, nicknamed the Venice of America thanks to its 310 miles of navigable canals. This coastal city, long overshadowed by its southern neighbor, is now emerging as a must-visit spot in South Florida, combining white-sand beaches, refined lifestyle and lush natural surroundings.

Tuesday, July 8th 2025
The big skate
The big skate is one of the largest species of its genus and one of the most distinctive skates along the northeastern Pacific coast. This bottom-dwelling species is easily recognized by two large, dark eyespots on its dorsal surface that resemble prominent eyes.

Monday, May 5th 2025
The California spiny lobster
The California spiny lobster has an elongated body and a hard exoskeleton, usually brown in color with yellow or orange patterns. The California spiny lobster inhabits the temperate waters along the eastern coast of the Pacific Ocean, particularly those of California and the Gulf of California.
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Spirographe
(Sabella spallanzanii)
(Sabella spallanzanii)