''Tyrannodoris nikolasi'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

sea slug Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...

, a polycerid

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

in the family

Polyceridae The Polyceridae are a taxonomic family of sea slugs, dorid nudibranchs, marine gastropod mollusks within the superfamily Polyceroidea. Taxonomy The family Polyceridae is classified within the clade Doridacea, itself belonging to the clade Eu ...

Distribution

This species was described from

Vanuatu Vanuatu ( or ; ), officially the Republic of Vanuatu (; ), is an island country in Melanesia located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is east of northern Australia, northeast of New Caledonia, east o ...

and

Malaysia Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and thre ...

Description

''Tyrannodoris nikolasi'' is a predominantly dark green animal with light green to yellow horizontal stripes or more continuous superficial pigment. The gills and rhinophores are dark blue or violet. It reaches approximately 15 mm in length. Like other nudibranchs in the genus ''

Tyrannodoris ''Tyrannodoris'' is a genus of sea slugs, polycerid nudibranchs, marine gastropod molluscs in the family Polyceridae. Most of these species were formerly considered to belong to the genus '' Roboastra''. They are carnivorous, feeding on other sp ...

'', it is carnivorous, feeding on other seaslugs.Anderson, J., 2017
Tyrannodoris nikolasi, Maldives.
Nudibranch.org, accessed on 2018-08-20.

References

{{Taxonbar, from=Q56279666 Polyceridae Gastropods described in 2014