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 blueface angelfish
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.
The Atlantic tarpon
Wednesday, February 18th 2026
The Atlantic tarpon
The Atlantic tarpon is a large coastal fish that can grow up to 8 feet long and weigh over 330 pounds, with a silvery body covered in large, reflective scales. Known as the Silver King, it is famous for its spectacular leaps and fierce fight when hooked by sport fishermen.
The dugong
Friday, January 30th 2026
The dugong
Discover the dugong, a gentle “sea cow” of tropical waters. Learn about its habitat, diet, reproduction, morphology, and the threats facing this unique marine mammal.
Photo of the Day
Carangue mayole (Caranx latus)
Carangue mayole
(Caranx latus)