Sealife guideThe Demosponges classThe taxonomy of marine species

Explore the taxonomy of sponges including demosponges, calcisponges and glass sponges !
Rred boring sponge (Cliona delitrix)
Rred boring sponge
(Cliona delitrix)
Azure vase sponge (Callyspongia plicifera)
Azure vase sponge
(Callyspongia plicifera)
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)
Orange-red encrusting sponge (Crambe crambe)
Orange-red encrusting sponge
(Crambe crambe)
Yellow tube sponge (Aplysina fistularis)
Yellow tube sponge
(Aplysina fistularis)

Our latestUpdates

The Atlantic tarpon
Wednesday, February 18th 2026
The Atlantic tarpon
The Atlantic tarpon is a large coastal fish that can grow up to 8 feet long and weigh over 330 pounds, with a silvery body covered in large, reflective scales. Known as the Silver King, it is famous for its spectacular leaps and fierce fight when hooked by sport fishermen.
The dugong
Friday, January 30th 2026
The dugong
Discover the dugong, a gentle “sea cow” of tropical waters. Learn about its habitat, diet, reproduction, morphology, and the threats facing this unique marine mammal.
Dolphins: ocean's smartest creatures
Friday, January 23rd 2026
Dolphins: ocean's smartest creatures
Discover dolphins, the ocean's geniuses: explore their intelligence, social behavior, sophisticated communication, species diversity and vital role in marine ecosystems.
Photo of the Day
Poisson ange nain à deux épines (Centropyge bispinosa)
Poisson ange nain à deux épines
(Centropyge bispinosa)