Sealife guideThe Pelagiidae familyThe taxonomy of marine species

Explore the taxonomy of cnidarians and especially sea anemones, corals and jellyfish !
Atlantic sea nettle (Chrysaora quinquecirrha)
Atlantic sea nettle
(Chrysaora quinquecirrha)
Black sea nettle (Chrysaora achlyos)
Black sea nettle
(Chrysaora achlyos)
Compass jellyfish (Chrysaora hysoscella)
Compass jellyfish
(Chrysaora hysoscella)
Purple-striped jelly (Pelagia noctiluca)
Purple-striped jelly
(Pelagia noctiluca)
Sea nettle (Chrysaora fuscescens)
Sea nettle
(Chrysaora fuscescens)

Our latestUpdates

The big skate
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.
The California spiny lobster
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.
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.
Photo of the Day
Crabe araignée géant du Japon (Macrocheira kaempferi)
Crabe araignée géant du Japon
(Macrocheira kaempferi)