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Oplegnathus robinsoni Regan, 1916

Natal 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 robinsoni   AquaMaps   Data sources: GBIF OBIS
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Image of Oplegnathus robinsoni (Natal knifejaw)
Oplegnathus robinsoni
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Centrarchiformes (Basses) 鱸形目 (Basses) > Oplegnathidae (Knifejaws) 石鯛科 (Knifejaws)
Etymology: Oplegnathus: Greek, hoplon = weapon + Greek, gnathos = jaw (Ref. 45335).
More on author: Regan.

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

海洋 礁區魚類; 深度上下限 20 - 100 m (Ref. 4387). 亞熱帶的

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Indian Ocean: occurs only in Mozambique and Natal, South Africa.
西印度洋: 出現只在莫三比克與南非的納塔爾中。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4387); common length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9660)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 11; 背的軟條 (總數) : 20 - 24; 臀棘: 3; 臀鰭軟條: 14 - 17. Adults dark grey in color; juveniles yellow with black bars (very similar to young Diplodus cervinus hottentotus.
成魚深灰色的顏色; 稚魚黃色的有黑色的橫帶 (非常類似幼魚 黑帶重牙鯛〔Diplodus cervinus hottentotus〕 .

生物學特性     字彙 (例如 epibenthic)

Occur in coastal rocky and coral reefs to a depth of 100 m; juveniles pelagic in currents (Ref. 4332). Benthic omnivores. May live longer than 10 years. Spawning occurs throughout the year (Ref. 57746). Marketed fresh (Ref. 9660).

出現在海岸的岩石與珊瑚礁到深度 100 公尺; 稚魚大洋性的,在水流中.(參考文獻 4332) 底棲的雜食動物。 五月活的較長勝於 10 年。 產卵全年度。 (參考文獻 57746) 在市場上銷售生鮮地.。 (參考文獻 9660)

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

西印度洋: 出現只在莫三比克與南非的納塔爾中。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Heemstra, P.C., 1986. Oplegnathidae. p. 632-633. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4387)

IUCN 瀕危狀態 (Ref. 130435)

  未評估 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 商業性; 游釣魚種: 是的
FAO - Publication: search | FishSource |

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Trophic ecology
食物相
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Ecology
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Length-weight rel.
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參考文獻

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Estimates based on models

Preferred temperature (Ref. 123201): 23.6 - 26.7, mean 25.8 °C (based on 16 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).
營養階層 (Ref. 69278):  3.2   ±0.42 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (tmax > 10).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).
價格種類 (Ref. 80766):   Unknown.