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)

Brown edge glossodorid
(Glossodoris hikuerensis)

Giant doris
(Felimare picta)

Glossodoris cincta nudibranch
(Glossodoris cincta)

Heron ardeadoris
(Ardeadoris egretta)

Kanga doris
(Hypselodoris kanga)

Yellow speckled doris
(Hypselodoris godeffroyana)

Zephyr doris
(Hypselodoris zephyra)

Red dendronotid
(Dendronotus rufus)

White lined dirona
(Dirona albolineata)

Candy halgerda
(Halgerda bacalusia)

Dotted sea slug
(Peltodoris atromaculata)

Polka-dot nudibranch
(Jorunna funebris)

Blue dragon nudibranch
(Pteraeolidia semperi)

Indian nudibranch
(Caloria indica)

Pink sea slug
(Flabellina affinis)

Our latestUpdates

Thursday, April 23rd 2026

Where to see groupers in the Mediterranean ?

Discover where to see groupers in the Mediterranean: the best diving spots and protected marine areas to observe this iconic fish in its natural habitat.

Monday, April 20th 2026

The broadnose sevengill shark

Discover the broadnose sevengill shark (Notorynchus cepedianus), a large primitive coastal shark with seven gill slits living in temperate and subtropical waters around the world.

Monday, March 2nd 2026

The blueface angelfish

The blueface angelfish is a very colorful fish of the tropical coral reefs of the Indo-Pacific, recognizable by its bright blue head and its bluish body finely reticulated with yellow.

Photo of the Day

Requin tapis tacheté
(Orectolobus maculatus)