分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Anostomidae (Headstanders)
小口脂鯉科 (Headstanders)
Etymology: Schizodon: Greek, schizein = to divide + Greek, odous = teeth (Ref. 45335).
More on author: Schultz.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: rivers draining into Lake Maracaibo.
南美洲: 河進入湖 Maracaibo 之內注入。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 26543)
背的軟條 (總數) : 12; 臀鰭軟條: 10; 脊椎骨: 40 - 41. With 5 1/2 scales in a transverse series between the lateral line and the origin of the dorsal fin; with 5 scales between the lateral line and the origin of the anal fin; presence of three cusps on all jaw teeth; fourth blotch of dark pigmentation on the mid-lateral surface of the body is centered distinctly anterior of the vertical line through the origin of the adipose fin; relatively longer post-orbital portion of the head (0.40- 0.47 of HL); and lack of dark mid-lateral stripe; pored lateral-line scales from supracleithrum to end of lateral line 43 to 45; all scales of lateral line pored.
在側線與背鰭起點之間的橫跨系列中有 5 1/2 鱗片; 5 在側線與臀鰭起點之間的鱗片; 在所有的頜齒上有三個尖頭; 在身體的側面中央表面上的深色顏色的第四個斑塊被集中明顯前面的脂鰭的垂直線經過起源; 頭部的相對較長後眼窩的部分 (0.40- 0.47 HL); 而且沒有黑色側面中央的斑紋; 從 supracleithrum 到側線的末端的有細孔的側線鱗片 43 到 45; 側線的所有鱗片有孔的了。
Adults feed on fresh leaves and grasses (Ref. 26543). Distinct pairs breed on densely grown weedy places (Ref. 205).
吃新鮮的樹葉與草。 (參考文獻 26543)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Distinct pairs breed on densely grown weedy places (Ref. 205).南美洲: 河進入湖 Maracaibo 之內注入。
Vari, R.P. and S.J. Raredon, 1991. The genus Schizodon (Teleostei: Ostariophysi: Anostomidae) in Venezuela, a reappraisal. Proc. Biol. Soc. Wash. 104(1):12-22. (Ref. 28837)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00533 - 0.02257), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 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 (39 of 100).
