Sealife guideThe Scyphozoans classThe taxonomy of marine species

Explore the taxonomy of cnidarians and especially sea anemones, corals and jellyfish !

Blue blubber jellyfish
(Catostylus mosaicus)

Fried egg jellyfish
(Cotylorhiza tuberculata)

White spotted jellyfish
(Phyllorhiza punctata)

Barrel jellyfish
(Rhizostoma pulmo)

Blue jellyfish
(Cyanea lamarckii)

Lion's mane jellyfish
(Cyanea capillata)

Atlantic sea nettle
(Chrysaora quinquecirrha)

Black sea nettle
(Chrysaora achlyos)

Compass jellyfish
(Chrysaora hysoscella)

Purple-striped jelly
(Pelagia noctiluca)

Sea nettle
(Chrysaora fuscescens)

Moon jellyfish
(Aurelia aurita)

Our latestUpdates

Thursday, April 23rd 2026

Where to see groupers in the Mediterranean ?

Discover where to see groupers in the Mediterranean: the best diving spots and protected marine areas to observe this iconic fish in its natural habitat.

Monday, April 20th 2026

The broadnose sevengill shark

Discover the broadnose sevengill shark (Notorynchus cepedianus), a large primitive coastal shark with seven gill slits living in temperate and subtropical waters around the world.

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.

Photo of the Day

Langouste brésilienne
(Panulirus guttatus)