Sealife guideThe Polyphysaceae familyThe taxonomy of marine species

Explore the taxonomy of the sea plants and especially the algae and kelps !
The kelps
The kelps
The sargassum
The sargassum
Umbrella weed (Acetabularia acetabulum)
Umbrella weed
(Acetabularia acetabulum)

Our latestUpdates

Where to see groupers in the Mediterranean ?
Thursday, April 23rd 2026
Where to see groupers in the Mediterranean ?
Discover where to see groupers in the Mediterranean: the best diving spots and protected marine areas to observe this iconic fish in its natural habitat.
The broadnose sevengill shark
Monday, April 20th 2026
The broadnose sevengill shark
Discover the broadnose sevengill shark (Notorynchus cepedianus), a large primitive coastal shark with seven gill slits living in temperate and subtropical waters around the world.
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.
Photo of the Day
Requin pointe blanche océanique ou requin longimanus (Carcharhinus longimanus)
Requin pointe blanche océanique ou requin longimanus
(Carcharhinus longimanus)