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Oplegnathus punctatus (Temminck & Schlegel, 1844)

Spotted knifejaw
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Oplegnathus punctatus   AquaMaps   Data sources: GBIF OBIS
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Image of Oplegnathus punctatus (Spotted knifejaw)
Oplegnathus punctatus
Picture by Randall, J.E.


Japan country information

Common names: Ishigakidai
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Common at southern Japan (Ref. 9710); also found in the Sea of Japan (Ref. 56898).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Common names from other countries

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Centrarchiformes (Basses) > Oplegnathidae (Knifejaws)
Etymology: Oplegnathus: Greek, hoplon = weapon + Greek, gnathos = jaw (Ref. 45335).
  More on authors: Temminck & Schlegel.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser riff-verbunden; ozeanodrom (Ref. 51243); tiefenbereich 3 - 135 m (Ref. 58302).   Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Pacific Ocean: Central Honshu, Japan to the South China Sea (Ref. 559). Also known from Hawaii (Ref. 7490). Reported in Norfolk Island (Ref. 89275).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?, range 47 - ? cm
Max length : 86.0 cm TL Männchen/unbestimmt; (Ref. 559); max. veröff. Gewicht: 12.1 kg (Ref. 40637)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 11; Rückenflossenweichstrahlen (insgesamt): 14-16; Afterflossenstacheln 3; Afterflossenweichstrahlen: 11 - 13

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabit rocky and coral reefs. Juveniles associate with drifting seaweed (Ref. 12114, 12115, 58302). Benthopelagic (Ref. 58302).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

IUCN Rote Liste Status (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

Fischereien: kommerziell; Aquakultur: kommerziell; Sportfisch: ja
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 19.5 - 28.9, mean 27.4 (based on 1078 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.50 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100).
Preiskategorie (Ref. 80766):   Unknown.