Hypselodoris yarae

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

Hypselodoris yarae
Diani Beach, Kenya.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Hypselodoris
Species:
H. yarae
Binomial name
Hypselodoris yarae
Gosliner & Johnson, 2018[1]

Distribution

This nudibranch was described from Mozambique and Madagascar, Indian Ocean. It is also known from Kenya and possibly South Africa, Sri Lanka and the Red Sea. It was previously reported from the Indian Ocean as Hypselodoris maculosa, a species from the Western Pacific.

Description

Hypselodoris yarae has a translucent white body with pale brown viscera showing through and a series of opaque white longitudinal lines of variable thickness running along its mantle. Between the lines at irregular intervals there are slightly diffuse red spots with darker centres and a tendency to become purple at the edges. There is a broad orange margin to the mantle. The gills have translucent bases and orange pigment on the outer surfaces. The rhinophores are translucent white, with two bands of orange.[1][3]

This species can reach a total length of at least 35 mm.[1]

Etymology

This species was named in honor of Yara Tibiriçá, who has greatly contributed to the advance of nudibranch research in the western Indian Ocean [1][4]

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 yarae Gosliner & Johnson, 2018. Accessed on 2018-09-19.
  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. 186
  4. Tibiriçá, Y.; Pola, M.; Cervera, J. L. (2017). Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique. Zootaxa. 4359 (1): 001–133, p. 37, fig. 11B
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