Sealife guideThe Ophidiasteridae familyThe taxonomy of marine species

Explore the taxonomy of marine echinoderms with a dedicated focus on starfish and sea urchins !

The class Asteroidea, commonly known as starfish, includes more than 1,600 known species. These marine animals can reach over one meter in span with their arms fully extended and typically have five arms or a multiple of five, with the number potentially varying due to regeneration after an arm is lost. Their skeleton is made up of adjacent but not fused calcareous plates.

Blue sea star
(Linckia laevigata)

Egyptian sea star
(Gomophia egyptiaca)

Smooth starfish
(Hacelia attenuata)

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Monday, April 14th 2025

The bigeye trevally

The bigeye trevally has a silver-colored body with, as its name suggests, larger eyes compared to other trevally species. It is distinguished from other trevally species by the slightly yellowish color of its tail.

Monday, April 7th 2025

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A flagship city of Florida, Miami is a dream destination where paradise beaches, a vibrant Latino atmosphere and a buzzing nightlife come together. With its year-round sunshine, iconic Art Deco architecture and dynamic cultural scene, Miami has everything to captivate travelers in search of escape.

Sunday, March 23rd 2025

The plumose sea anemone

The plumose sea anemone is a key species in temperate and cold marine ecosystems. Its high adaptability, morphological diversity and reproductive strategies make it a crucial organism for understanding biological and ecological interactions in marine environments.

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Chiton rouge ligné
(Tonicella lineata)