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.

Bonnethead shark
(Sphyrna tiburo)

Great hammerhead shark
(Sphyrna mokarran)

Hammerhead shark
(9 espèces)

Scalloped hammerhead
(Sphyrna lewini)

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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.

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.

Friday, January 23rd 2026

Dolphins: ocean's smartest creatures

Discover dolphins, the ocean's geniuses: explore their intelligence, social behavior, sophisticated communication, species diversity and vital role in marine ecosystems.

Photo of the Day

Ptérois nain
(Dendrochirus brachypterus)