Sealife guideThe Polyceridae familyThe taxonomy of marine species

Explore the taxonomy of marine mollusca including squid, shellfish, nudibranchs, octopus, cuttlefish !
Abe's polycera nudibranch (Polycera abei)
Abe's polycera nudibranch
(Polycera abei)
Black and green sea slug (Nembrotha kubaryana)
Black and green sea slug
(Nembrotha kubaryana)
Chamberlain's sea slug (Nembrotha chamberlaini)
Chamberlain's sea slug
(Nembrotha chamberlaini)
Crested nembrotha (Nembrotha cristata)
Crested nembrotha
(Nembrotha cristata)

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The banded sea snake
Monday, August 11th 2025
The banded sea snake
The coloration of the banded sea snake, also known as the yellow-lipped sea snake, is distinctive with alternating black bands and bluish to grayish areas. The tip of its head, limited to its upper lip, is yellowish.
The princess parrotfish
Thursday, August 7th 2025
The princess parrotfish
The princess parrotfish stands out with a coloration fit for a princess, featuring a dominant bluish hue, with yellow along the central part of its body near the pelvic fins, transitioning into green. Two blue bands run across its head on either side of its eyes.
The batwing coral crab
Monday, August 4th 2025
The batwing coral crab
Discover the batwing coral crab, an iconic species of Caribbean coral reefs, recognizable by its smooth red shell speckled with white and cream.
Photo of the Day
Poisson soldat à longues épines (Holocentrus rufus)
Poisson soldat à longues épines
(Holocentrus rufus)