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)
Serena's notodoris
(Notodoris serenae)
Brown edge glossodorid (Glossodoris hikuerensis)
Brown edge glossodorid
(Glossodoris hikuerensis)
Giant doris (Felimare picta)
Giant doris
(Felimare picta)
Glossodoris cincta nudibranch (Glossodoris cincta)
Glossodoris cincta nudibranch
(Glossodoris cincta)
Heron ardeadoris (Ardeadoris egretta)
Heron ardeadoris
(Ardeadoris egretta)
Kanga doris (Hypselodoris kanga)
Kanga doris
(Hypselodoris kanga)
Yellow speckled doris (Hypselodoris godeffroyana)
Yellow speckled doris
(Hypselodoris godeffroyana)
Zephyr doris (Hypselodoris zephyra)
Zephyr doris
(Hypselodoris zephyra)
Red dendronotid (Dendronotus rufus)
Red dendronotid
(Dendronotus rufus)
White lined dirona (Dirona albolineata)
White lined dirona
(Dirona albolineata)
Candy halgerda (Halgerda bacalusia)
Candy halgerda
(Halgerda bacalusia)
Dotted sea slug (Peltodoris atromaculata)
Dotted sea slug
(Peltodoris atromaculata)
Polka-dot nudibranch (Jorunna funebris)
Polka-dot nudibranch
(Jorunna funebris)
Blue dragon nudibranch (Pteraeolidia semperi)
Blue dragon nudibranch
(Pteraeolidia semperi)
Indian nudibranch (Caloria indica)
Indian nudibranch
(Caloria indica)
Pink sea slug (Flabellina affinis)
Pink sea slug
(Flabellina affinis)

Our latestUpdates

The striped remora
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.
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.
Photo of the Day
Blennie d'Aron (Ecsenius aroni)
Blennie d'Aron
(Ecsenius aroni)