Sealife guideThe Acroporidae familyThe taxonomy of marine species

Explore the taxonomy of cnidarians and especially sea anemones, corals and jellyfish !

Acropora cythereacoral
(Acropora cytherea)

Acropora pulchra coral
(Acropora pulchra)

Elkhorn coral
(Acropora palmata)

Pharaoh coral
(Acropora parapharaonis)

Staghorn coral
(Acropora cervicornis)

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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.

Monday, August 10th 2026

The royal sea star

Discover the royal sea star (Astropecten articulatus), a fascinating sea star found on sandy bottoms in the western Atlantic, recognized by its colorful, spine-covered margins.

Photo of the Day

Lion de mer australien
(Neophoca cinerea)