Sealife guideThe Gorgonocephalidae familyThe 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)

Our latestUpdates

Monday, March 2nd 2026

The blueface angelfish

The blueface angelfish is a very colorful fish of the tropical coral reefs of the Indo-Pacific, recognizable by its bright blue head and its bluish body finely reticulated with yellow.

Wednesday, February 18th 2026

The Atlantic tarpon

The Atlantic tarpon is a large coastal fish that can grow up to 8 feet long and weigh over 330 pounds, with a silvery body covered in large, reflective scales. Known as the Silver King, it is famous for its spectacular leaps and fierce fight when hooked by sport fishermen.

Friday, January 30th 2026

The dugong

Discover the dugong, a gentle “sea cow” of tropical waters. Learn about its habitat, diet, reproduction, morphology, and the threats facing this unique marine mammal.

Photo of the Day

Flabelline mauve
(Flabellina affinis)