Doridunculus unicus

Doridunculus unicus is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Onchidorididae.[1]

Doridunculus unicus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Onchidoridoidea
Family: Akiodorididae
Genus: Doridunculus
Species:
D. unicus
Binomial name
Doridunculus unicus
Martynov & Roginskaya, 2005

Discovery

Doridunculus unicus was first discovered in deep-sea basin of the Sea of Japan (depth 3000-3620 m). The absence of notal crests, asymmetricalnotal lobes, and characteristics of the radula anatomy distinguish Doridunculus unicus from the two other known specimens of the species. The peculiar feeding ecology of the new species was re-discovered. D. unicus feeds on the hydroids Egmundella sp. (Campanulinidae) and dwells in large aggregations of their colonies (numerous broken fragments of Egmundella sp. were found in the oesophagus, stomach and intestine of the new species).[2][3]

Unicus (Latin) refers to three distinct characteristics: the history of discovery and description, asymmetrical notal lobes, and living with and feeding on hydroid.[2]

References
  1. "WoRMS - World Register of Marine Species - Doridunculus unicus Martynov & Roginskaya, 2005". www.marinespecies.org. Retrieved 2022-02-28.
  2. "(PDF) A new species of the genus Doridunculus G.O. Sars, 1878 (Mollusca, Nudibranchia): a hydroid-feeding dorid from the abyssal depths of the Sea of Japan". ResearchGate.
  3. "Molluscabase". molluscabase.org. Retrieved 2022-02-28.
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