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, October 2nd 2025

The California sheephead

Discover the California sheephead, a colorful fish of the eastern Pacific. Learn about its appearance, diet, habitat in kelp forests, unique sex-changing ability and role in marine ecosystems.

Monday, September 29th 2025

The banded guitarfish

Discover the banded guitarfish, a benthic eastern Pacific species with unique camouflage, living on sandy and rocky bottoms.

Thursday, September 25th 2025

The tiger snake eel

Explore the tiger snake eel (Myrichthys maculosus), featuring a creamy to pale yellow body dotted with black spots, and learn about its habitat, behavior and role in coral reef ecosystems.

Photo of the Day

Salmacine
(Filograna implexa)