分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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).
Eponymy: John Benjamin Romer Robinson (1869–1949) was a South African attorney and businessman. [...] (Ref. 128868), visit book page.
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
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)
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〕 .
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
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西印度洋: 出現只在莫三比克與南非的納塔爾中。
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: Version 2024-2)
人類使用
漁業: 商業性; 游釣魚種: 是的
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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): PD
50 = 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).
