Sealife guideThe Sphyrnidae familyThe taxonomy of marine species

Explore the taxonomy of the sea vertebrates including the cetaceans like the whales or the dolphins, the sea birds, the fish, the sharks and the sea turtles !

The order Carcharhiniformes is the largest shark group, characterized by their nictitating membranes, diverse sizes and varied diets ranging from small fish to marine mammals.

The hammerhead shark family includes 11 recognized species of sharks

Bonnethead shark
(Sphyrna tiburo)

Great hammerhead shark
(Sphyrna mokarran)

Hammerhead sharks

Scalloped hammerhead
(Sphyrna lewini)

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Friday, August 28th 2026

The skunk cleaner shrimp

Discover the skunk cleaner shrimp (Lysmata amboinensis), a small tropical shrimp famous for cleaning parasites and debris from reef fish.

Wednesday, August 26th 2026

The islands of Japan: an archipelago of a thousand faces

Discover the islands of Japan, a vast archipelago with diverse landscapes ranging from volcanic islands and tropical beaches to traditional villages and the major islands of Honshu, Hokkaido, Kyushu, and Shikoku.

Monday, August 24th 2026

The common European lobster

Discover the common European lobster (Homarus gammarus), a large crustacean found in the cold and temperate coastal waters of the Northeast Atlantic. Learn about its distinctive features, habitat, diet, and fascinating reproductive biology.

Photo of the Day

Méduse bleue
(Aurelia aurita)