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 居於水底的. 熱帶
Central America: Caribbean and Pacific drainages of southern Mexico and Central America.
中美洲: 墨西哥南部與中美洲的加勒比海與太平洋流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 45.5, range 50 - 60 cm
Max length : 125 cm TL 雄魚/尚未辨別雌雄; (Ref. 36722); 最大體重: 2.9 kg (Ref. 40637)
Facultative air-breathing (Ref. 126274); Inhabit backwaters and slow moving sections of rivers and lakes. Often found in the warm stagnant waters of the lowland. Visible on the surface and resemble floating logs. Enter shallow lakes at the beginning of the dry season to spawn and known to reproduce also in June and July when rains are heaviest and rivers flood their banks providing an ideal spawning habitat of flooded vegetation. Large schools form to cast thousands of eggs in a gelatinous mass in the shallow waters. The adults return again to the river leaving the fry amongst the flooded vegetation (Ref. 36880). The eggs are poisonous to eat (Ref. 4537).
棲息於河川與湖泊的洄水區與緩慢移動的部分。 時常發現於低地的溫暖污濁水域。 看得見的在表面上而且與漂浮的圓木相似。 在乾季的起點進入淺的湖泊產卵而且知道在六月與七月也繁殖當雨是豐沛的，而且河氾濫越堤提供一個茂盛的植物理想產卵的棲地的時候。 大的魚群在淺水域中產下數以千計凝膠團狀的卵。 成魚再一次回到河裡離開在茂盛的植物中的魚苗。 (參考文獻 36880) 卵是有毒。 (參考文獻 4537)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中美洲: 墨西哥南部與中美洲的加勒比海與太平洋流域。
Ferraris, C.J. Jr., 2003. Lepisosteidae (Gars). p. 29. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36722)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6406 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00121 - 0.00751), b=3.18 (2.96 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.73 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (75 of 100).
