Sealife guideThe Semaeostomeae orderThe taxonomy of marine species

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

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

Friday, December 19th 2025

The magic of Christmas decorations

Discover Christmas decorations in Florida: giant trees, illuminated palm trees, magical light displays and tropical settings to experience the holiday magic under the sun.

Monday, December 15th 2025

The dusky shark

Discover the dusky shark, one of the world's largest coastal sharks, and learn why this powerful predator is essential to marine ecosystems.

Friday, December 12th 2025

Christmas magic at Disney hotels

Experience the magic of Christmas at Disney hotels: enchanting decorations, giant Christmas trees, dazzling lights and a festive holiday atmosphere.

Photo of the Day

Poisson pégase
(Eurypegasus draconis)