Scolopsis vosmeri
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Spariformes
Family: Nemipteridae
Genus: Scolopsis
Species:
S. vosmeri
Binomial name
Scolopsis vosmeri
(Bloch, 1792)
Synonyms[2]
  • Anthias vosmeri Bloch, 1792
  • Pomacentrus enneadactylus Lacépède, 1802
  • Scolopsis igcarensis Mishra, Biswas, Russell, Satpathy & Selvanayagam, 2013

Scolopsis vosmeri, Vosmaer's monocle bream, white-banded monocle bream, whitecheek monoclebreamor whiteband spinecheek, is a species of marine ray-finned fish belonging to the family Nemipteridae, the threadfin breams. This species occurs in the eastern Indian Ocean and western Pacific Ocean.

Taxonomy

Scolopsis vosmeri was first formally described as Anthias vosmeri by the German physician and naturalist Marcus Elieser Bloch with its type locality given as Japanisches Meer, taken to mean Nagasaki in Japan but this is regarded as erroneous and the correct type locality is probably Tranquebar in India.[2] S. vosmeri was split into 3 species in 2022, revalidating the parapatric S. curite and S. japonica as valid species, separate from S. vosmeri.[3] The 5th edition of Fishes of the World classifies the genus Scolopsis within the family Nemipteridae which it places in the order Spariformes.[4]

Etymology

Scolopsis vosmeri has an honorific specific name but Bloch did not explain who was being honoured but it is thought most likely to be Arnout Vosmaer, the Dutch naturalist who was curator of the natural history collection started by Anne, Princess Royal and Princess of Orange.[5]

Description

Scolopsis vosmeri has its dorsal fin supported by 10 spines and 7 soft rays while the anal fin contains 3 spines and 7 soft rays.[6] It has a body which has a standard length that is twice, or slightly more than twice, its depth with a snot that is a little shorter than the diameter of the eye. The scales on the head extend beyond the eyes but not as far as the rear pair of nostrils. The lower limb of the preoperculum is scaled and there is a forward pointing spine underneath the eye. It has moderately long pelvic fins which reach as far as, or almost as far as, the level of the anus. The background colour is reddish brown with a whitish caudal peduncle, the scales on the flanks have dark spots. There is a wide white, vertical bar running from the crown onto the operculum. The dorsal, pectoral and pelvic fins are dark reddish and there is no black spot on the upper base of the base of the pectoral fin.[7] There is normally a white longitudinal band running below the lateral line starting on the upper operculum to underneath the soft-rayed part of the dorsal fin. In soem fish this is absent and observations have seen that the fish can actively make this band flash as they swim, probably as an intraspecific signal.[3] This species has a maximum published total length of 25 cm (9.8 in) although 15 cm (5.9 in) standard length is more typical.[6]

Distribution and habitat

Scolopsis vosmeri is found in the Indian Ocean from the Arabian Sea and Sri Lanka east into the Western Pacific Ocean as far as East Malaysia and Brunei. This is a benthic fish found in inshore waters in weedy areas, normally on sand or mud turbid waters or weedy areas, usually on sand or mud substrates in the vicinity of reefs, typically in turbid waters, down to about 25 m (82 ft).[7]

Biology

Scolopsis vosmeri is typically encountered as solitary individual but this species will school in deeper waters. It feeds on benthic animals.[6]

Fisheries

Scolopsis vosmeri is caught in trawl fisheries, hand lines and fish traps, as well as bycatch.[1] The catch is sold fresh, presreved by smoking or salting, or as fish balls.[6]

References

  1. 1 2 Al Abdali, F.S.H.; Al Buwaiqi, B.; Al Kindi, A.S.M.; et al. (2019). "Scolopsis vosmeri". IUCN Red List of Threatened Species. 2019: e.T46087368A46664804. doi:10.2305/IUCN.UK.2019-2.RLTS.T46087368A46664804.en. Retrieved 25 November 2023.
  2. 1 2 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Scolopsis". Catalog of Fishes. California Academy of Sciences. Retrieved 25 November 2023.
  3. 1 2 Russell, Barry; Bogorodsky, Sergey; Mal, Ahmad; Bineesh, K.K. & Alpermann, Tilman (2022). "The taxonomic identity of the monocle bream Scolopsis vosmeri species complex (Perciformes: Nemipteridae), with comments on molecular phylogenetic relationships within the genus Scolopsis". Zootaxa. 5105: 501–538. doi:10.11646/zootaxa.5105.4.3.
  4. ↑ Nelson, J.S.; Grande, T.C.; Wilson, M.V.H. (2016). Fishes of the World (5th ed.). Hoboken, NJ: John Wiley & Sons. pp. 502–506. doi:10.1002/9781119174844. ISBN 978-1-118-34233-6. LCCN 2015037522. OCLC 951899884. OL 25909650M.
  5. ↑ "Order SPARIFORMES: Families LETHRINIDAE, NEMIPTERIDAE and SPARIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. 17 October 2022. Retrieved 25 November 2023.
  6. 1 2 3 4 Froese, Rainer; Pauly, Daniel (eds.) (2023). "Scolopsis vosmeri" in FishBase. October 2023 version.
  7. 1 2 Barry C. Russell (2022). "Family Nemipteridae". In Phillip C Heemstra; Elaine Heemstra; David A Ebert; Wouter Holleman; John E Randall (eds.). Coastal Fishes of the Western Indian Ocean (PDF). Vol. 3. South African Institute for Aquatic Biodiversity. pp. 328–340. ISBN 978-1-990951-32-9.
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