Parascolopsis tanyactis

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Parascolopsis tanyactis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Spariformes
Family: Nemipteridae
Genus: Parascolopsis
Species:
P. tanyactis
Binomial name
Parascolopsis tanyactis

Parascolopsis tanyactis, the saddled dwarf monocle bream, longray monocle bream or yellowbellied monocle bream, is a species of marine ray-finned fish belonging to the family Nemipteridae, the threadfin breams. This fish is found in the Eastern Indian Ocean and the Western Pacific Ocean.

Contents

Taxonomy

Parascolopsis tanyactis was first formally described in 1986 by the Australian ichthyologist Barry C. Russell with its type locality given as 250 km (160 mi) north-northeast of Larrey Point over the North West Shelf, off Western Australia at depths between 250 and 160 m (820 and 520 ft). [2] The 5th edition of Fishes of the World classifies Parascolopsis within the family Nemipteridae which it places in the order Spariformes. [3]

Etymology

Parascolopsis tanyactis has the specific name tanyactis which is a combination of tanyo, meaning "stretched", and actis, which means "ray", an allusion to the elongated fourth and fifth soft rays of the dorsal fin in adults. [4]

Description

Parascolopsis tanyactis has its dorsal fin supported by 10 spines and 9 soft rays while the anal fin has 3 spines and 7 soft rays. The body of this fish has a depth which averages one third of its standard length. The pectoral and pelvic fins are moderately long, the pectoral fins extend to or near to the anus while the pelvic fins which extend to around the level of the anus. [5] This species' has two dark bars on its back, both diffusing out on the lower side, alongside a dark bar across the tail base. The fourth and fifth dorsal rays are also elongated. [6] This species has a maximum published standard length of 21 cm (8.3 in), although 15 cm (5.9 in) is more typical [7]

Distribution and habitat

Parascolopsis tanyactis is distributed in the eastern Indian Ocean and western Pacific Ocean occurring from southeastern Indonesia and northwestern Australia eastwards to northern Sabah, Malaysia and the central Philippines. This species occurs at depths between 40 and 200 m (130 and 660 ft) over the soft sediments of the continental shelf and slope. [1]

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References

  1. 1 2 Russell, B. (2022). "Parascolopsis tanyactis". IUCN Red List of Threatened Species . 2022: e.T162924936A162924945. doi: 10.2305/IUCN.UK.2022-2.RLTS.T162924936A162924945.en . Retrieved 16 November 2023.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Parascolopsis". Catalog of Fishes . California Academy of Sciences . Retrieved 16 November 2023.
  3. ↑ 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.
  4. ↑ "Order SPARIFORMES: Families LETHRINIDAE, NEMIPTERIDAE and SPARIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. 17 October 2022. Retrieved 16 November 2023.
  5. ↑ Russell, B. C. (1986). "Two new species of Parascolopsis (Pisces: Nemipteridae) from north-western Australia, Indonesia and the Philippines". The Beagle (Occasional Papers of the Northern Territory Museum of Arts and Sciences). 3 (1): 137–142.
  6. ↑ Allen, Gerry (2000). Marine Fishes of South-East Asia. Singapore: Periplus Editions ltd. p. 138. ISBN   978-962-953-267-3.
  7. ↑ Froese, Rainer; Pauly, Daniel (eds.) (2023). "Parascolopsis tanyactis" in FishBase . October 2023 version.
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