Sealife guideThe Siphonophorae orderThe taxonomy of marine species

Explore the taxonomy of cnidarians and especially sea anemones, corals and jellyfish !
Big siphonophore (Forskalia edwardsii)
Big siphonophore
(Forskalia edwardsii)
Portuguese man of war (Physalia physalis)
Portuguese man of war
(Physalia physalis)

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The Caribbean king crab
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.
The reticulated sandperch
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.
The wedgetail triggerfish
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
Girelle paon à taches d'encre (Thalassoma hardwicke)
Girelle paon à taches d'encre
(Thalassoma hardwicke)