Sealife guideThe Petrosiidae familyThe taxonomy of marine species

Explore the taxonomy of sponges including demosponges, calcisponges and glass sponges !
Caribbean giant barrel sponge (Xestospongia muta)
Caribbean giant barrel sponge
(Xestospongia muta)
Giant barrel sponge (Xestospongia testudinaria)
Giant barrel sponge
(Xestospongia testudinaria)
Stony sponge (Petrosia ficiformis)
Stony sponge
(Petrosia ficiformis)

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The tiger snake eel
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.
The queen triggerfish
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.
The bump-head sunfish
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.
Photo of the Day
Poisson papillon à bandes noires (Chaetodon striatus)
Poisson papillon à bandes noires
(Chaetodon striatus)