Hypselodoris peasei

Hypselodoris peasei is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

Hypselodoris peasei
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. peasei
Binomial name
Hypselodoris peasei
(Bergh, 1880)[1]
Synonyms
  • Doris prismatica var. lineata Pease, 1860
  • Hypselodoris andersoni Bertsch and S. Johnson, 1989

Taxonomy

This species was originally named Doris prismatica var. lineata Pease, 1860, but lineata was already used for Doris lineata Eydoux and Souleyet, 1852, so Bergh (1880) provided the replacement name Chromodoris peasei. Bertsch and Gosliner (1989)[2] erected the name Hypselodoris andersoni for the locust nudibranch, unaware of Bergh's earlier name. However, Rudman (2000) recognized that C. peasei matched the description of H. andersoni and Epstein et al., (2018) formalized the priority of Hypselodoris peasei over H. andersoni.[3][4]

Distribution

This nudibranch is known only from the Hawaiian islands of Oahu and Maui in the central Pacific Ocean.[3][5]

Description

Hypselodoris peasei has a translucent white body with longitudinal opaque white lines and a blue mantle edge and foot. There are often black specks present on the upper dorsum. The gills and rhinophores are white, with two orange bands. It is similar to Hypselodoris bertschi and has been confused with this species in the past. This species can reach a total length of at least 20 mm and has been observed feeding on yellow sponges from the genus Luffariella.[3][6]

References
Wikispecies has information related to Hypselodoris peasei.
  1. Bergh, L.S.R. (1880). Malacologische Untersuchungen. In: Dr. Carl Gottfried Semper (Ed.). Reisen im Archipel der Philippinen. Zweiter Theil. Wissenschaftliche Resultate. Band 2, Theil 4, Heft 1, pp 1-78, pls. A-F. page: 26, description of Chromodoris peasei.
  2. Bertsch, H. & Gosliner, T.M. (1989) Chromodorid nudibranchs from the Hawaiian Islands. The Veliger, 32(3): 247-265.
  3. Rudman, W.B., 2000 (February 4) Hypselodoris peasei (Bergh, 1880). [In] Sea Slug Forum. Australian Museum, Sydney.
  4. 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, zly048.
  5. Johnson, S. (1983) Distribution of two nudibranch species on a subtidal reef on the western shore of Oahu, Hawaii. The Veliger, 25(4): 356-364.
  6. Gosliner, T.M., Behrens, D.W. & Valdés, Á., 2018. Nudibranch and Sea Slug Identification - Indo-Pacific. New World Publications; 2nd Revised, Updated edition (1 Nov. 2018) 452 pp. ISBN 1878348671, ISBN 978-1878348678, p. 186
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