Sealife guideThe Valvatida orderThe 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.
Bat sea star (Patiria miniata)
Bat sea star
(Patiria miniata)
Biscuit sea star (Peltaster placenta)
Biscuit sea star
(Peltaster placenta)
Necklace sea star (Fromia monilis)
Necklace sea star
(Fromia monilis)
Noduled sea star (Fromia nodosa)
Noduled sea star
(Fromia nodosa)
Vermillion sea star (Mediaster aequalis)
Vermillion sea star
(Mediaster aequalis)
Heavy starfish (Thromidia catalai)
Heavy starfish
(Thromidia catalai)
Blue sea star (Linckia laevigata)
Blue sea star
(Linckia laevigata)
Egyptian sea star (Gomophia egyptiaca)
Egyptian sea star
(Gomophia egyptiaca)
Smooth starfish (Hacelia attenuata)
Smooth starfish
(Hacelia attenuata)
Chocolate chip sea star (Nidorellia armata)
Chocolate chip sea star
(Nidorellia armata)
Cushion starfish (Culcita novaeguineae)
Cushion starfish
(Culcita novaeguineae)
Granular sea star (Choriaster granulatus)
Granular sea star
(Choriaster granulatus)
Horned sea star (Protoreaster nodosus)
Horned sea star
(Protoreaster nodosus)
Pin cushion sea star (Culcita schmideliana)
Pin cushion sea star
(Culcita schmideliana)
Red cushion sea star (Oreaster reticulatus)
Red cushion sea star
(Oreaster reticulatus)

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Gorette blanche (Haemulon plumierii)
Gorette blanche
(Haemulon plumierii)