Goniobranchus geminus
| Goniobranchus geminus | |
|---|---|
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Nudipleura clade Nudibranchia |
| Superfamily: | Doridoidea |
| Family: | Chromodorididae |
| Genus: | Goniobranchus |
| Species: | G. geminus |
| Binomial name | |
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Goniobranchus geminus (Rudman, 1987à |
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| Synonyms | |
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Chromodoris geminus Rudman, 1987 (basionym) |
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Chromodoris geminus Rudman, 1987 (basionym)
Goniobranchus geminus, also known as the gem sea slug or twin sea slug, is a species of very colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Until 2012 this species was known as Chromodoris geminus but was moved to the genus Goniobranchus as a result of a molecular (DNA) study.
The gem sea slug can reach a maximum size of 5 cm in length. it has four distinctive coloured lines around the mantle edge. Starting from a thin white outer line, then a light grayish line, followed by another white line and finally a bright golden yellow line. The background coloration from the back is light brown to yellowish speckled with mauve ocelli circled with a white margin. The foot, clearer and with a white margin, also has ocelli. Th rhinophores are yellow or purple and laminated, gills are white outlined with beige.
This sea slug lives in the Indian Ocean from Kenya to Sri Lanka and in the Red Sea and has a predilection for the external slopes of coral reefs.
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Wikipedia