分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶; 24°C - 27°C (Ref. 12468)
Africa: this species has been reported from the Niger Delta (Nigeria), the Lower Ouémé (Benin) (Ref. 2936, 86396), the Cross River (Ref. 2936, 51193, 81638, 86396) (Nigeria, Cameroon) and the Wouri River (Cameroon) (Ref. 51193, 81638).
非洲: 奈及利亞南部與喀麥隆的海岸流域.(十字河， Ethiop, Wouri)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 20.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 31256)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 13 - 17; 臀棘: 0; 臀鰭軟條: 15 - 18. Diagnosis: snout longer than half the head length (southern Nigeria and Cameroon); body depth 5.25-7x and head length 2.8-3x SL; head 3.75-4.85x longer than wide; snout more than half of head length (53-58%); scale formula 11.5-13.5/95-100/11-13 (Ref. 2936, 86396). 92-104 (Ref. 81638) or 95-100 (Ref. 2936, 86396) lateral line scales.
體高 5.25-7 x, 頭長 2.8-3 x SL。 頭部 3.75-4.85 倍於寬的。 吻超過一半的頭長 (53-58%). 小鱗片。 側邊與身體下半部銀白色。 上半部，吻與頭部橄欖綠色的。 中動脈側面的條紋深色的從眼到尾鰭的中央部份。 來自在脂鰭水平結合背部中央線的頸部後面的另一個深色條紋而且繼續到尾鰭。 結合後腦部與背鰭基底的後端的第三條背部中央條紋。 在每個葉上尾鰭有 3條深色的斜紋。
Maximum TL was recorded at 23 cm (Ref. 7094).
最大體長TL記錄為 23 公分。 (參考文獻 7094)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
非洲: 奈及利亞南部與喀麥隆的海岸流域.(十字河， Ethiop, Wouri)
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00147 - 0.00981), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
