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Characiformes (Characins) >
Acestrorhynchidae (Smallscale pike characins) > Acestrorhynchinae
Etymology: Acestrorhynchus: Greek, agkistron = hook + Greek, rhyngchos = snout (Ref. 45335).
More on author: Lütken.
Issue
See Menezes, 1992:47 for diagnosis.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: São Francisco and upper Paraná River basins.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 13.0, range 15 - ? cm
Max length : 31.8 cm SL オス/雌雄の選別がない; (Ref. 121647); 最大公表体重: 290.00 g (Ref. 121647)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Menezes, N.A., 2003. Family Acestrorhynchidae (Acestrorhynchids). p. 231-233. 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. 38248)
Human uses
用具
特記事項
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00483 - 0.01247), b=3.14 (3.00 - 3.28), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 4.3 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).