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Setarchinae - Wikipedia

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Setarchinae

Deepwater scorpionfish Setarches guentheri
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Scorpaenidae
Subfamily:	Setarchinae Matsubara, 1943^[1]
Genera
see text

Setarchinae, the deep-sea bristly scorpionfishes, is a small subfamily of deep-sea ray-finned fishes, it is part of the family Scorpaenidae. They are small marine fishes, growing up to 25 cm, and are found in tropical and subtropical waters throughout the world.

Taxonomy

Setarchinae, or the family Setarchidae, were first described as a taxon by the Japanese ichthyologist Kiyomatsu Matsubara in 1943.^[1] The grouping is treated as a subfamily of the Scorpaenidae within the order Scorpaeniformes by the 5th Edition of Fishes of the World.^[2] However, other authorities, such as FishBase, regard the taxon as a family within the suborder Scorpaenoidei, part of the Perciformes.^[3] The name of the subfamily comes from Setarches which was described by the English zoologist James Yate Johnson in 1862 but Johnson did not explain what the name alluded to, it may be derived from saeta meaning "bristle".^[4]

Genera

The following four genera are classified within the subfamily Setarchinae, and the combined have a total of 11 species.^[3]^[5]

Lithrchthys was previously regarded as a synonym of Setarches but has been treated as a valid genus by Catalog of Fishes with Setarches being considered to be a monotypic genus containing solely S. guentheri.^[5]^[6]

Characteristics

Setarchinae species are differentiated from related species by the possession of a highly modified lateral line, reduced ossification and a reduction in the head's ability to be moved, supination.^[6] The lateral line is lacking in scales and consists of a single trough and the scales on the body are small and cycloid. In adults there are no suborbital spines. They have a small, sharp nasal spine and the parietal bone is low, ending at its rear end with a spine or spinule. In large specimens many spines are absent and in smaller specimens there are some spines around the eye but in larger individuals only the postocular spine is well defined. They have 12–13, typically 12 spines and 9–11 soft rays in the dorsal fin, the last ray is divided close to its base. The anal fin has 2–3 spines and 4–6 soft rays, the last ray being divided.^[7]

Distribution and habitat

Setrachinae are found in the Atlantic, Indian and Pacific Oceans.^[3] They are offshore fish which can be found at depths between 180 and 830 m (590 and 2,720 ft) and examination of the stomach contents of two species suggest that they feed in the water column.^[7]

References

^ ^a ^b Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
^ J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 468–475. ISBN 978-1-118-34233-6.
^ ^a ^b ^c Froese, Rainer; Pauly, Daniel (eds.). "Family Setarchidae". FishBase. August 2021 version.
^ Christopher Scharpf & Kenneth J. Lazara, eds. (22 May 2021). "Order Perciformes (Part 8): Suborder Scorpaenoidei: Families Sebastidae, Setarchidae and Neosebastidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 2 January 2022.
^ ^a ^b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Setarchidae". Catalog of Fishes. California Academy of Sciences. Retrieved 1 January 2022.
^ ^a ^b Wada, H.; Y. Kai & H. Motomura (2021). "Revision of the resurrected deepwater scorpionfish genus Lythrichthys Jordan and Starks 1904 (Setarchidae), with descriptions of two new species". Ichthyological Research. 68 (3): 373–403. Bibcode:2021IchtR..68..373W. doi:10.1007/s10228-020-00793-z. S2CID 233908729.
^ ^a ^b Eschmeyer, William; Collette, Bruce (1966). "The Scorpionfish Subfamily Setarchinae, including the Genus Ectreposebastes". Bulletin of Marine Science. 16 (2): 349–375.

External links

Media related to Setarchidae at Wikimedia Commons

Taxon identifiers
Setarchidae	Wikidata: Q138680 Wikispecies: Setarchidae ADW: Setarchidae AFD: Setarchidae CoL: G95 EoL: 5124 GBIF: 4509 iNaturalist: 86066 IRMNG: 107297 ITIS: 643435 NCBI: 274712 Open Tree of Life: 728021 Paleobiology Database: 266369 Plazi: 6A5BAE7A-DA27-FFBC-3AAA-FBF29FE0FAF6 uBio: 114375 WoRMS: 125597

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