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

Wednesday, August 19th 2026

The Fiji islands

Discover Fiji, a South Pacific island nation known for white-sand beaches, turquoise lagoons, coral reefs, tropical forests and traditional villages.

Friday, August 14th 2026

The reef manta ray

Discover the reef manta ray (Mobula alfredi), an impressive tropical ray that frequents coral reefs and feeds mainly on plankton.

Wednesday, August 12th 2026

The crown-of-thorns starfish

Discover the crown-of-thorns starfish, a voracious coral predator that, when populations become unusually large, can consume vast areas of coral and cause significant damage to coral reefs.

Photo of the Day

Poisson chirurgien rayé
(Acanthurus lineatus)