Sealife guideThe Camarodonta orderThe taxonomy of marine species

Explore the taxonomy of marine echinoderms with a dedicated focus on starfish and sea urchins !
The class Echinoidea, commonly known as sea urchins, are marine animals characterized by a spherical or slightly flattened body, often protected by rigid spines. These animals, usually small in size, move slowly along the seafloor using tube feet and their internal skeleton is made up of fused calcareous plates.
Slate pencil urchin (Heterocentrotus mamillatus)
Slate pencil urchin
(Heterocentrotus mamillatus)
Stony sea urchin (Paracentrotus lividus)
Stony sea urchin
(Paracentrotus lividus)
Red sea urchin (Mesocentrotus franciscanus)
Red sea urchin
(Mesocentrotus franciscanus)
Violet sea urchin (Sphaerechinus granularis)
Violet sea urchin
(Sphaerechinus granularis)
West Indian sea egg (Tripneustes ventricosus)
West Indian sea egg
(Tripneustes ventricosus)

Our latestUpdates

The bigeye trevally
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.
Best things to do in Miami
Monday, April 7th 2025
Best things to do in Miami
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.
The plumose sea anemone
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.
Photo of the Day
Poisson lapin tacheté d'or (Siganus guttatus)
Poisson lapin tacheté d'or
(Siganus guttatus)