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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Monday, October 13th 2025

Universal Epic Universe: the next-level immersive park

Discover Epic Universe, Universal Orlando's newest theme park. Dive into immersive worlds, spectacular attractions, and a breathtaking, one-of-a-kind experience.

Thursday, October 2nd 2025

The California sheephead

Discover the California sheephead, a colorful fish of the eastern Pacific. Learn about its appearance, diet, habitat in kelp forests, unique sex-changing ability and role in marine ecosystems.

Monday, September 29th 2025

The banded guitarfish

Discover the banded guitarfish, a benthic eastern Pacific species with unique camouflage, living on sandy and rocky bottoms.

Photo of the Day

Vieille de corail
(Cephalopholis miniata)