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, October 2nd 2025

The California sheephead

Discover the California sheephead, a colorful fish of the eastern Pacific. Learn about its appearance, diet, habitat in kelp forests, unique sex-changing ability and role in marine ecosystems.

Monday, September 29th 2025

The banded guitarfish

Discover the banded guitarfish, a benthic eastern Pacific species with unique camouflage, living on sandy and rocky bottoms.

Thursday, September 25th 2025

The tiger snake eel

Explore the tiger snake eel (Myrichthys maculosus), featuring a creamy to pale yellow body dotted with black spots, and learn about its habitat, behavior and role in coral reef ecosystems.

Photo of the Day

Salmacine
(Filograna implexa)