Sealife guideThe Haplosclerida orderThe taxonomy of marine species

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

Azure vase sponge
(Callyspongia plicifera)

Caribbean giant barrel sponge
(Xestospongia muta)

Giant barrel sponge
(Xestospongia testudinaria)

Stony sponge
(Petrosia ficiformis)

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Wednesday, August 19th 2026

The Fiji islands

Discover Fiji, a South Pacific island nation known for white-sand beaches, turquoise lagoons, coral reefs, tropical forests and traditional villages.

Friday, August 14th 2026

The reef manta ray

Discover the reef manta ray (Mobula alfredi), an impressive tropical ray that frequents coral reefs and feeds mainly on plankton.

Wednesday, August 12th 2026

The crown-of-thorns starfish

Discover the crown-of-thorns starfish, a voracious coral predator that, when populations become unusually large, can consume vast areas of coral and cause significant damage to coral reefs.

Photo of the Day

Labre mexicain
(Bodianus diplotaenia)