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Opistognathus muscatensis Boulenger, 1888

Robust jawfish
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Native range | All suitable habitat | Point map | Year 2050
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Opistognathus muscatensis   AquaMaps   Data sources: GBIF OBIS
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Opistognathus muscatensis
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South Africa country information

Common names: Robust jawfish, Sterk grootbekvis
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Durban.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Smith-Vaniz, W.F., 1986
National Database:

Common names from other countries

Sterk grootbekvis, 壮身后颌鰧, 壯身後頜鰧, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Ovalentaria/misc (Various families in series Ovalentaria) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653);  muscatensis: Named for the type locality Muscat, Oman..
  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生態学

海 関連する礁; 深さの範囲 15 - 50 m (Ref. 9710), usually 30 - 50 m (Ref. 27115).   Tropical; 18°C - 24°C (Ref. 27115)

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Western Indian Ocean: Durban, South Africa to the Persian Gulf, including Mahé Island, Seychelles (Ref. 5468). Not in Red Sea (Ref. 84159).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL オス/雌雄の選別がない; (Ref. 9710); common length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 5450)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 11; 背鰭 (合計) : 15; 肛門の骨: 3; 臀鰭: 15. This species is distinguished by the following characters: short supramaxilla and mostly rigid maxilla with only a slight flexible lamina posteriorly; an ocellated spot on the dorsal fin, between third or fourth and eighth spines followed by two large, irregular, dark blotches that extend onto body, and a blackish streak on cheek bordering upper edge of maxilla; outermost segmented pelvic-fin ray is tightly bound to adjacent ray, with interradial membrane not incised distally or only slightly at tip (vs. interradial membrane deeply incised in all other Indo-Pacific Opistognathus (Ref. 81517). Black spot between 3rd and 8th dorsal fin spines, fin also with 2 large blotches that extend onto body; body and dorsal fin with spots and blotches bordered with pale blue (Ref. 5468).

生物学     用語集 (例 epibenthic)

This species is occasionally encountered in the fish market and its flesh is reported to be relatively good. It is taken incidentally in bottom trawls and by hook and line at 30-50 m (Ref. 81517).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Smith-Vaniz, W.F., 1986. Opisthognathidae. p. 726-727. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 5468)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 19 July 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 商業; 水族館・水槽: 商業
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Estimates based on models

Preferred temperature (Ref. 115969): 22.4 - 28.3, mean 26 (based on 73 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.8   ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (35 of 100).
価格帯 (Ref. 80766):   Unknown.