Nembrotha kubaryana

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Nembrotha kubaryana
Nembrotha kubaryana.jpg
Nembrotha kubaryana feeding on tunicates
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea
clade Doridacea

Superfamily: Polyceroidea
Family: Polyceridae
Subfamily: Nembrothinae
Genus: Nembrotha
Species: N. kubaryana
Binomial name
Nembrotha kubaryana
Bergh, 1877
Nembrotha nigerrima Bergh, 1877

Nembrotha kubaryana, also known as the variable neon slug, is a species of colorful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae. Its synonyms include Nembrotha nigerrima.[1][2]


This species occurs in the tropical Indo-West Pacific.[3]


This animal can reach a total length of more than 120 mm. It is a large dark-bodied nudibranch which may have green stripes running down the length of the body or have green raised spots. The margin of the foot and head is a vivid red-orange. The rhinophores and gills may be red or green. Nembrotha kubaryana is easily confused with a similar species, Nembrotha cristata although the latter has no red orange border on its foot.


The variable neon slug feeds on ascidians and has been observed feeding on the green-ringed ascidian, Sigillina signifera.[3]

Chemical defences[edit]

Nembrotha kubaryana uses the toxins in its prey ascidians to defend itself against predators.[4] It stores the ascidian's toxins in its tissues and then releases them in a slimy defensive mucus when alarmed.[citation needed]


  1. ^ a b Pola M., Cervera J. L. & Gosliner T. M. (2008) "Revision of the Indo-Pacific genus Nembrotha (Nudibranchia: Dorididae: Polyceridae), with description of two new species". Scientia Marina 72(1): 145-183. doi:10.3989/scimar.2008.72n1145
  2. ^ a b Pola M., Cervera J. L. & Gosliner T. M. (2008) "Description of the First Roboastra Species (Nudibranchia, Polyceridae, Nembrothinae) from the Western Atlantic". Bulletin of Marine Science 83(2): 391-399.
  3. ^ a b
  4. ^ Paul, V. J., Lindquist, N., Fenical, W., Chemical defenses of the tropical ascidian Atapozoa sp. and its nudibranch predators Nembrotha spp., MEPS 59:109-118 (1990)

Further reading[edit]

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