Guinea flathead

The Guinea flathead (Solitas gruveli) is a species of marine ray-finned fish belonging to the family Platycephalidae, the flatheads. It is found in the eastern Atlantic Ocean along the western coast of Africa. This species is the only known member of the genus Solitas. It is also the only flathead species which has a natural distribution which lies outside of the Indo-Pacific.

Guinea flathead
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Platycephalidae
Genus: Solitas
Imamura, 1996
Species:
S. gruveli
Binomial name
Solitas gruveli
(Pellegrin, 1905)
Synonyms[2]
  • Platycephalus gruveli Pellegrin, 1905
  • Grammoplites gruveli (Pellegrin, 1905)
  • Thysanophrys gruveli (Pellegrin, 1905)

Taxonomy

The Guinea flathead was first formally described as Platycephalus gruveli in 1905 by the French zoologist Jacques Pellegrin with its type locality given as Guet N'Dar in Mauritania.[3] In 1996 Hisashi Imamura classified the Guinea flathead within a new monotypic genus Solitas.[4] This taxon is classified within the family Playtcephalidae, the flatheads which the 5th edition of Fishes of the World classifies within the suborder Platycephaloidei in the order Scorpaeniformes.[5]

Etymology

Solitas, the genus name, is derived from the Latin solitarius, meaning "alone", an allusion to this being the only flathead to have its range entirely outwith the Indo-West Pacific. The specific name honours the biologist Jean Abel Gruvel, the collector of the type specimen.[6]

Description

The Guinea flathead attains a maximum published total length of 20 cm (7.9 in), although 18 cm (7.1 in) is more typical.[2]

Distribution, habitat and biology

The Guinea flathead is found in the tropical eastern Atlantic Ocean from Mauritania south to Angola,[2] including São Tomé e Principe.[6] It is found at depths between 20 and 200 m (66 and 656 ft) in shallow coastal waters with sand and mud substrates, It feeds on fishes and crustaceans.[1][2]

Fisheries

The Guinea flathead is fished for mainly by bottom trawls. Te catch is mainly sold fresh and or as salted fish in local markets, it is also processed to make fish meal by offshore fleets.[1]

References
  1. Russell, B.; Poss, S.; Nunoo, F. & Bannerman, P. (2015). "Solitas gruveli". IUCN Red List of Threatened Species. 2015: e.T15622732A15623417. doi:10.2305/IUCN.UK.2015-4.RLTS.T15622732A15623417.en. Retrieved 18 July 2022.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2022). "Solitas gruveli" in FishBase. February 2022 version.
  3. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Solitas". Catalog of Fishes. California Academy of Sciences. Retrieved 19 July 2022.
  4. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Platycephalidae". Catalog of Fishes. California Academy of Sciences. Retrieved 19 July 2022.
  5. J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 467–495. ISBN 978-1-118-34233-6.
  6. Christopher Scharpf & Kenneth J. Lazara, eds. (7 December 2021). "Order Perciformes (Part 11): Suborder Platycephaloidei: Families Bembridae, Parabembridae, Hoplichthyidae, Platycephalidae and Plectrogeniidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 19 July 2022.
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