Pogonoscorpius

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Pogonoscorpius
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Scorpaenidae
Subfamily: Scorpaeninae
Tribe: Scorpaenini
Genus: Pogonoscorpius
Regan, 1908
Species:
P. sechellensis
Binomial name
Pogonoscorpius sechellensis
Regan, 1908

Pogonoscorpius is a genus of marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. It is a monotypic genus, its ony species is Pogonoscorpius sechellensis which occurs in the western Indian Ocean in the seas around the Seychelles. It is a little known species and, as of 2018, only 2 specimens were known from the Seychelles. It may also occur in the Coral Sea and off Japan and it has been suggested that this taxon is a synonym of Rhinopias argoliba . [1] Others treat it as a valid species and state that it is endemic to the western Indian Ocean. [2]

Pgonoscorpius was first formally described as a genus in 1908 by the British ichthyologist Charles Tate Regan when he described its only species P. sechellensis, of which Regan gave the type locality as from a depth of 37 fathoms in the Seychelles. [3] [4] The type was collected by John Stanley Gardiner. [5] The genus name is a compound of pogon meaning "beard", an allusion to the well developed mental barbel, and scorpius, a "scorpion" indicating that this is a scorpionfish. The specific name indicates that its origin is the Seychelles. [6]

Pogonoscorpius sechellensis is found at depths down to 68 metres (223 ft). This species reaches a length of 5.1 centimetres (2.0 in) SL. [2]

Pogonoscorpius sechellensis is similar to the species in the genus Rhinopias but differ in colouration and in the possession of a mental barbel. It has 12 spines and 9 soft rays in the dorsal fin, the last ray being split and is sometimes counted as 1.5 rays. The anal fin has 3 spines and 5 soft rays. The colour is described a yellowish with reddish tinged fins. [7]

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References

  1. 1 2 Motomura, H.; Matsuura, K.; Khan, M. (2018). "Pogonoscorpius sechellensis". IUCN Red List of Threatened Species . 2018: e.T114177913A115546768. doi: 10.2305/IUCN.UK.2018-2.RLTS.T114177913A115546768.en . Retrieved 18 November 2021.
  2. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2021). "Pogonoscorpius sechellensis" in FishBase . August 2021 version.
  3. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Scorpaenidae". Catalog of Fishes . California Academy of Sciences . Retrieved 21 January 2022.
  4. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Pogonoscorpius". Catalog of Fishes . California Academy of Sciences . Retrieved 21 January 2022.
  5. ↑ Regan, C. T. (1908). "Report on the marine fishes collected by Mr. J. Stanley Gardiner in the Indian Ocean". Transactions of the Linnean Society of London. 2nd Series. Zoology. 12 (3): 217–255. doi:10.1111/j.1096-3642.1908.tb00199.x.
  6. ↑ Christopher Scharpf & Kenneth J. Lazara, eds. (2 October 2021). "Order Perciformes (Part 9): Suborder Scorpaenoidei: Family Scorpaenidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 18 January 2022.
  7. ↑ Eschmeyer, W. N.; Y. Hirosaki; and T. Abe (1973). "Two new species of the scorpionfish genus Rhinopias, with comments on related genera and species". Proceedings of the California Academy of Sciences. Series 4. 39 (16): 285–310.
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