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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Saturday, September 12th 2026

The Caribbean king crab

Discover the Caribbean king crab (Maguimithrax spinosissimus), an impressive reef crab found throughout the Caribbean and western Atlantic.

Thursday, September 10th 2026

The reticulated sandperch

Discover the reticulated sandperch (Parapercis tetracantha), a small Indo-Pacific fish known for its elongated body and distinctive brown and white pattern.

Monday, September 7th 2026

The wedgetail triggerfish

Discover the wedgetail triggerfish, Hawaii's famous state fish. Learn about its vibrant colors, coral reef habitat, unique behavior, and cultural significance in Hawaii.

Photo of the Day

Requin léopard
(Triakis semifasciata)