Sealife guideThe Demosponges classThe taxonomy of marine species

Explore the taxonomy of sponges including demosponges, calcisponges and glass sponges !

Rred boring sponge
(Cliona delitrix)

Azure vase sponge
(Callyspongia plicifera)

Caribbean giant barrel sponge
(Xestospongia muta)

Giant barrel sponge
(Xestospongia testudinaria)

Stony sponge
(Petrosia ficiformis)

Orange-red encrusting sponge
(Crambe crambe)

Yellow tube sponge
(Aplysina fistularis)

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Thursday, May 7th 2026

Faroe islands

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.

Wednesday, May 6th 2026

The short-finned pilot whale

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.

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

Gorette bleue
(Haemulon sciurus)