Maldives Marine Life

Marine life of Maldivian waters

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Gem sea slug
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Photo: Steve Childs from Lancaster, UK / Wikimedia Commons, CC BY 2.0 (view on Wikimedia Commons)

Gem sea slug

Goniobranchus geminus

Valid name (WoRMS, AphiaID 597335, checked 2026-10-31).

English
Gem sea slug
Scientific
Goniobranchus geminus
Dhivehi
No recorded Dhivehi name
Group
Sea slugs
Family
Chromodorididae (chromodorid nudibranchs)
Maximum size
Up to about 6 cm (total length)
Depth and habitat
Sea floor (benthic), recorded from 13 to 16 m
IUCN status
NE · Not EvaluatedNot Evaluated (NE)

Description

A chromodorid nudibranch, one of a large group of brightly coloured sea slugs that feed on sponges and take distasteful chemicals from them. Species are told apart mainly by their colour patterns, and several look very alike.

In the Maldives

Recorded from the Maldives: museum specimens (n=1); iNaturalist research-grade observations in the Maldives (n=19, 10 observers).

Sources

Dhivehi name source: No species-level Dhivehi name found in Dhivehi Wikipedia, SeaLifeBase (country: Maldives) or MRS/MMRI invertebrate publications.