Owstonia

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Owstonia
Owstonia sibogae.jpg
Owstonia sibogae
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Acanthuriformes
Family: Cepolidae
Subfamily: Owstoninae
Jordan, Tanaka & Snyder, 1913 [1]
Genus: Owstonia
S. Tanaka, 1908 [2]
Type species
Owstonia totomiensis
Tanaka, 1908 [2]
Synonyms [2]

Parasphenanthias Gilchrist, 1922
Pseudocepola Kamohara, 1935
Sphenanthias Weber, 1913

Contents

Owstonia is a genus of marine ray-finned fish belonging to the family Cepolidae, the bandfishes. It is the only genus in the monotypic subfamily Owstoninae. They are found in deep waters of the Indian and Pacific Ocean.

Taxonomy

Owstonia was described in 1908 by the Japanese ichthyologist Shigeho Tanaka with the type species designated as Owstonia totomiensis due to it being the only species in a monotypic genus at the time of its description. [2] In 1913 Tanaka, along with the American ichthyologists David Starr Jordan and John Otterbein Snyder, created the family Owstonidae for this genus. [3] The family was merged with the Cepolidae as a subfamily in 1956 [4] and is now regarded as a subfamily, Owstoninae, of the Cepolidae. [5] The name of the genus, Owstonia. means "belonging to Owston". This name refers to a specimen of O. totomiensis being found in the collection of Alan Owston. [6]

Species

There are currently 36 recognized species in this genus: [7] [4]

Characteristics

Owstonia bandfishes differ from the two genera in the subfamily Cepolinae by being less elongate, having only 27-33 vertebrae and 19-26 soft rays in their dorsal fin. Their dorsal and anal fins not attached to the lanceoloate caudal fin. [9] They vary in maximum total length from 5.4 cm (2.1 in) in O. nalani to 52 cm (20 in) in O. weberi. [7]

Distribution and habitat

Owstonia bandfishes are found in the Indo-Pacific region from the eastern coast of Africa as far east as Hawaii. [7] They are found in deep water. [5] Unlike the Cepoline bandfishes the fishes in Owstonia are not, other than one species, burrowers in soft substrates. They are found over rocky substrates swimming close to the bottom particularly on the upper continental slope, around atolls or oceanic fragments of crust. The exception is O. taeniosoma which has a more elongated body than its congeners and is found over sand or mud bottoms on the continental shelf. [4]

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References

  1. Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230. Retrieved 24 July 2021.
  2. 1 2 3 4 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Cepolidae". Catalog of Fishes . California Academy of Sciences . Retrieved 14 August 2021.
  3. David Starr Jordan; Shigeho Tanaka; and John Otterbein Snyder (1913). "A catalogue of the fishes of Japan". The Journal of the College of Science, Imperial University of Tokyo, Japan. 33: 1–479.
  4. 1 2 3 W.F. Smith-Vaniz & G.D. Johnson (2016). "Hidden diversity in deep-water bandfishes: review of Owstonia with descriptions of twenty-one new species (Teleostei: Cepolidae: Owstoniinae)". Zootaxa. 4187 (1): 1–103. doi:10.11646/zootaxa.4187.1.1. PMID   27988769.
  5. 1 2 J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 461–462. ISBN   978-1-118-34233-6. Archived from the original on 2019-04-08. Retrieved 2021-08-14.
  6. Christopher Scharpf & Kenneth J. Lazara, eds. (3 September 2020). "Order Priacanthiformes: Families Priacanthidae and Cepolidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 14 August 2021.
  7. 1 2 3 Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Owstonia". FishBase . June 2021 version.
  8. Endo, H.; Liao, Y.-C. & Matsuura, K. (2015). "Owstonia kamoharai (Perciformes: Cepolidae), a new bandfish from Japan". Ichthyological Research. 63 (1): 31–38. doi:10.1007/s10228-015-0468-5.
  9. Froese, Rainer; Pauly, Daniel (eds.). "Family Cepolidae". FishBase . June 2021 version.