Hologymnosus longipes

Hologymnosus longipes, the sidespot longface wrasse or the plain slender wrasse, is a species of marine ray-finned fish from the family Labridae, the wrasses. It occurs in the western Pacific Ocean.

Hologymnosus longipes
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Labriformes
Family: Labridae
Genus: Hologymnosus
Species:
H. longipes
Binomial name
Hologymnosus longipes
(Günther, 1862)
Synonyms[2]

Coris longipes Günther, 1862

Description

In Hologymnosus longipes the females are pale greenish-yellow to bluish-grey and have two 2 rows of vertically elongated orange spots on their body which continues on to the head where they merge to form stripes. The tail fin varies in colour from orange to yellow. Males are greenish, fading to whitish below, have a green head which as a pattern of pink bars radiating out from the eye, They also have orange bars on the flanks which fade to pale lavenderish-blue to purple on lower side towards the head. the males also have an oval black spot on the flanks above the pectoral fin, and a large, whitish patch on the posterior of the blue-coloured caudal fin.[3] This species grows to a total length of 40 centimetres (16 in). The dorsal fin has 9 spines and 12 soft rays while the anal fin has 3 spines and 12 soft rays.[2]

Distribution

Hologymnosus longipes is found in the Western Pacific in New Caledonia, Vanuatu, the Solomon Islands and the Great Barrier Reef off Australia.[1]

Habitat and biology

Hologymnosus longipes is found in lagoon and seaward reefs, normally over areas of sand or rubble in the vicinity of coral heads in waters of depths between 5 and 30 metres (16 and 98 ft)>[3] This species is known to feed on crustacean, other invertebrates and fish.[4]

Species description

Hologymnosus longipes was originally formally described as Coris longipes in 1862 by Albert Günther with the type locality given as Aneiteum Island in Vanuatu.[5]

Human usage

Hologymnosus longipes is collected for the aquarium trade and it is exploited by small scale subsistence fisheries.[1]

References
  1. Yeeting, B. (2010). "Hologymnosus longipes". IUCN Red List of Threatened Species. 2010: e.T187406A8527165. doi:10.2305/IUCN.UK.2010-4.RLTS.T187406A8527165.en. Retrieved 12 January 2020.
  2. Froese, Rainer and Pauly, Daniel, eds. (2006). "Hologymnosus longipes" in FishBase. August 2006 version.
  3. Bray, D.J. (2018). "Hologymnosus longipes". Fishes of Australia. Museums Victoria. Retrieved 12 January 2020.
  4. "Sidespot longface wrasse (Hologymnosus longipes)". Reefapp. Kasper Hareskov Tygesen. Retrieved 12 January 2019.
  5. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Coris longipes". Catalog of Fishes. California Academy of Sciences. Retrieved 12 January 2020.
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