Sealife guideThe Petrosiidae familyThe taxonomy of marine species

Explore the taxonomy of sponges including demosponges, calcisponges and glass sponges !
Caribbean giant barrel sponge (Xestospongia muta)
Caribbean giant barrel sponge
(Xestospongia muta)
Giant barrel sponge (Xestospongia testudinaria)
Giant barrel sponge
(Xestospongia testudinaria)
Stony sponge (Petrosia ficiformis)
Stony sponge
(Petrosia ficiformis)

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Thursday, May 7th 2026
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Discover the Faroe islands, a remote archipelago between Iceland and Norway known for its dramatic cliffs, colorful villages, and untouched Nordic landscapes. Find travel tips, itineraries, hiking guides, local culture, and inspiration to explore this unique destination in the North Atlantic.
The short-finned pilot whale
Wednesday, May 6th 2026
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Discover the tropical pilot whale (Globicephala macrorhynchus), a highly social large cetacean from tropical and subtropical waters, specialized in deep dives in search of squid.
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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.
Photo of the Day
Langouste mexicaine (Panulirus interruptus)
Langouste mexicaine
(Panulirus interruptus)