Sealife guideThe Ulmaridae familyThe taxonomy of marine species
Explore the taxonomy of cnidarians and especially sea anemones, corals and jellyfish !

Moon jellyfish
(Aurelia aurita)
(Aurelia aurita)
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Tuesday, September 16th 2025
The queen triggerfish
Discover the queen triggerfish (Balistes vetula), a colorful Atlantic reef fish known for its strong jaws, unique feeding techniques and fascinating reproductive habits.

Friday, September 5th 2025
The bump-head sunfish
Learn about the bump-head sunfish (Mola alexandrini), the world's heaviest bony fish, its habitat in tropical and temperate oceans, diet of jellyfish, deep-water behavior and record size over 6,000 lbs.

Wednesday, September 3rd 2025
The chocolate chip sea cucumber
The chocolate chip sea cucumber has a massive cylindrical body that is beige in color, covered with a set of dark brown pustules resembling chocolate chips that protrude slightly from the surface, giving it a resemblance to a cookie, hence its french name. It can reach a length of about 12 inches when fully grown.
Photo of the Day

Poisson perroquet royal
(Scarus vetula)
(Scarus vetula)