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) >
Dichistiidae (Galjoen fishes)
雙帆魚科 (Galjoen fishes)
Etymology: Dichistius: Greek, dichao, dichasis = divided in two parts (Ref. 45335).
More on author: Pellegrin.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性. 亞熱帶的
Western Indian Ocean: Transkei, South Africa to Madagascar but reported as far south as Still Bay (west of Mossel Bay), South Africa.
西印度洋: 到馬達加斯加的南非川斯凱但是報告向南遠至靜止的海灣 (位於 Mossel 海灣西方) ，南非。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5213); common length : 20.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 6082); 最大體重: 1.7 kg (Ref. 4370)
背棘 (總數) : 10; 背的軟條 (總數) : 21 - 23; 臀棘: 3; 臀鰭軟條: 13 - 14.
Found in coastal waters and rivers. Feeds on mollusks and crustaceans (Ref. 5213). Flesh of excellent quality (Ref. 6082).
發現於沿岸水域與河了。 吃軟體動物與甲殼動物。 (參考文獻 5213) 優良品質的肉.(參考文獻 6082)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西印度洋: 到馬達加斯加的南非川斯凱但是報告向南遠至靜止的海灣 (位於 Mossel 海灣西方) ，南非。
van der Elst, R., 1981. A guide to the common sea fishes of southern Africa. C. Struik, Cape Town. 367 p. (Ref. 3670)
人類使用
漁業: 商業性; 養殖: 商業性; 游釣魚種: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 19 - 26.3, mean 24.9 °C (based on 30 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00673 - 0.04093), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.50 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): Low vulnerability (25 of 100).
