Hypselodoris lacuna

Hypselodoris lacuna is a species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.[2]

Hypselodoris lacuna
Tulamben, Bali.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Hypselodoris
Species:
H. lacuna
Binomial name
Hypselodoris lacuna
Gosliner & Johnson, 2018[1]

Distribution

This nudibranch was described from Tingloy, Batangas, Luzon, Philippines, 13.67329°N 120.84093°E / 13.67329; 120.84093. It is reported from the western Indian Ocean of Aldabra Atoll to the western Pacific of Vanuatu, Indonesia, Papua New Guinea, the Philippines and Japan.

Description

Hypselodoris lacuna has an opaque white body with round transparent patches centred with black or grey spots. At the edge of the mantle there are small blue-grey spots. The gills have orange pigment lines on the outer face. The rhinophores have orange-brown clubs and translucent bases.[1] This species can reach a total length of at least 12 mm.[1][3]

References
  1. Epstein, H. E.; Hallas, J. M.; Johnson, R. F.; Lopez, A.; Gosliner, T. M. (2018). Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae). Zoological Journal of the Linnean Society. 2018, XX, 1–74. With 40 figures.
  2. MolluscaBase (2018). Hypselodoris lacuna Gosliner & Johnson, 2018. Accessed through: World Register of Marine Species on 2018-09-25.
  3. Gosliner, T.M., Behrens, D.W. & Valdés, Á., 2018. Nudibranch and Sea Slug Identification - Indo-Pacific. New World Publications; 2nd Revised, Updated edition. 452 pp. ISBN 1878348671, ISBN 978-1878348678, p. 196
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