Sealife guideThe Portunidae familyThe taxonomy of marine species

Explore the taxonomy of marine arthropods with a dedicated focus on crustaceans !
American blue crab (Callinectes sapidus)
American blue crab
(Callinectes sapidus)
Blue swimmer crab (Portunus pelagicus)
Blue swimmer crab
(Portunus pelagicus)
Harlequin crab (Lissocarcinus laevis)
Harlequin crab
(Lissocarcinus laevis)
Harlequin crab (Lissocarcinus orbicularis)
Harlequin crab
(Lissocarcinus orbicularis)

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The dugong
Friday, January 30th 2026
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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.
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Friday, January 23rd 2026
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Discover dolphins, the ocean's geniuses: explore their intelligence, social behavior, sophisticated communication, species diversity and vital role in marine ecosystems.
Hvar island
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
Crevette des coraux mous Xenia (Alcyonohippolyte commensalis)
Crevette des coraux mous Xenia
(Alcyonohippolyte commensalis)