Sealife guideThe Nudibranchia orderThe taxonomy of marine species
Explore the taxonomy of marine mollusca including squid, shellfish, nudibranchs, octopus, cuttlefish !

Serena's notodoris
(Notodoris serenae)
(Notodoris serenae)

Brown edge glossodorid
(Glossodoris hikuerensis)
(Glossodoris hikuerensis)

Giant doris
(Felimare picta)
(Felimare picta)

Glossodoris cincta nudibranch
(Glossodoris cincta)
(Glossodoris cincta)

Heron ardeadoris
(Ardeadoris egretta)
(Ardeadoris egretta)

Kanga doris
(Hypselodoris kanga)
(Hypselodoris kanga)

Yellow speckled doris
(Hypselodoris godeffroyana)
(Hypselodoris godeffroyana)

Zephyr doris
(Hypselodoris zephyra)
(Hypselodoris zephyra)

Red dendronotid
(Dendronotus rufus)
(Dendronotus rufus)

White lined dirona
(Dirona albolineata)
(Dirona albolineata)

Candy halgerda
(Halgerda bacalusia)
(Halgerda bacalusia)

Dotted sea slug
(Peltodoris atromaculata)
(Peltodoris atromaculata)

Polka-dot nudibranch
(Jorunna funebris)
(Jorunna funebris)

Blue dragon nudibranch
(Pteraeolidia semperi)
(Pteraeolidia semperi)

Indian nudibranch
(Caloria indica)
(Caloria indica)

Pink sea slug
(Flabellina affinis)
(Flabellina affinis)
Our latestUpdates

Monday, September 14th 2026
The striped remora
Discover the striped remora (Echeneis naucrates), a marine fish easily recognized by the suction disc on its head, which allows it to attach to large marine animals and travel with them.

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.
Photo of the Day

Blennie d'Aron
(Ecsenius aroni)
(Ecsenius aroni)
