Sealife guideThe Heterodontidae 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 !

Crested hornshark
(Heterodontus galeatus)

Horn shark
(Heterodontus francisci)

Port Jackson shark
(Heterodontus portusjacksoni)

Zebra bullhead shark
(Heterodontus zebra)

Our latestUpdates

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.

Friday, January 9th 2026

Hvar island

Hvar, a jewel of the Adriatic, captivates with its turquoise waters, wild coves and fragrant lavender fields. Between medieval villages, lively ports, and lush hills, Hvar island offers the perfect mix of relaxation, culture and breathtaking landscapes. Ideal for sun, sea and authentic experiences.

Photo of the Day

Requin bouledogue
(Carcharhinus leucas)