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Siluriformes (Catfishes)
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Plotosidae (Eeltail catfishes)
鰻鯰科 (Eeltail catfishes)
Etymology: Plotosus: Greek, plotos = swimming (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的. 熱帶
Western Indian Ocean: Kosi Bay to Knysna in South Africa. Possibly extending to Zanzibar, Tanzania.
西印度洋: 對在南非中的耐斯納的科西灣。 可能地延伸至坦尚尼亞的桑吉巴。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 51.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 3879)
背棘 (總數) : 1; 背的軟條 (總數) : 4; 臀棘: 0; 臀鰭軟條: 88 - 109. Preserved specimens brown or grey above, lighter brown or whitish below; 2 faint, longitudinal stripes sometimes present on body but not extending onto head (Ref. 3977).
保存的標本褐色或灰色的上方, 顏色淡的褐色或腹面略白的; 2條模糊又縱向的斑紋在身體上有時候有但是不延伸到頭部.(參考文獻 3977)
Found in estuaries and along open coasts. Enters freshwaters of South Africa (Ref. 3879). Feeds mainly on benthic invertebrates (Ref. 3478).
發現於河口了而且沿著開放的海岸。 進入南非的淡水。 (參考文獻 3879) 主要吃底棲的無脊椎動物。 (參考文獻 3478)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西印度洋: 對在南非中的耐斯納的科西灣。 可能地延伸至坦尚尼亞的桑吉巴。
Taylor, W.R. and J.R. Gomon, 1986. Plotosidae. p. 160-162. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISBN, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3879)
人類使用
漁業: 低經濟; 游釣魚種: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 21.7 - 28, mean 26.9 °C (based on 388 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00199 - 0.01049), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.37 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (45 of 100).
