Tyrannodoris tigris
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:
Tyrannodoris
Species:
T. tigris
Binomial name
Tyrannodoris tigris
(Farmer, 1978)
Synonyms
  • Roboastra tigris Farmer, 1978[1]

Tyrannodoris tigris is a species of sea slug, a polycerid nudibranch, a marine gastropod mollusk in the family Polyceridae.[2] It is a known predator of Tambje eliora and Tambje abdere, two species of smaller nudibranchs. The chemical extracts of all three species contain tambjamines, which were traced to Sessibugula translucens, a food source of these species. It is hypothesized that tambjamines are a chemical defence mechanism against feeding by the spotted kelpfish Gibbonsia elegans.[3][4]

Distribution

This species is found in the Gulf of California to Bahia de Banderas.[5]

Description

Tyrannodoris tigris can grow as large as 30 cm in length. Like other nudibranchs in the genus Tyrannodoris, it is carnivorous and predatory, feeding on other sea slugs.[6]

References

  1. ↑ Farmer, W.M. (1978). "Tambja and Roboastra (Mollusca, Opisthobranchia) from the Gulf of California and the Galapagos Islands." The Veliger 20: 375-385.
  2. ↑ MolluscaBase (2018). Tyrannodoris tigris (Farmer, 1978). Accessed through: World Register of Marine Species on 2018-08-20.
  3. ↑ Carté, B.; Faulkner, D. J. (1983). "Defensive metabolites from three nembrothid nudibranchs". The Journal of Organic Chemistry. 48 (14): 2314. doi:10.1021/jo00162a003.
  4. ↑ Carté, Brad; Faulkner, D. John (1986). "Role of secondary metabolites in feeding associations between a predatory nudibranch, two grazing nudibranchs, and a bryozoan". Journal of Chemical Ecology. 12 (3): 795–804. doi:10.1007/BF01012111. PMID 24306917. S2CID 20245013.
  5. ↑ Hermosillo, A., 2007 (Jul 26) Roboastra leonis - Feeding behaviour. [Message in] Sea Slug Forum. Australian Museum, Sydney.
  6. ↑ Rudman, W.B., 2000 (December 28) Roboastra tigris Farmer, 1978. [In] Sea Slug Forum. Australian Museum, Sydney.
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