分類 / Names
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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Cyprinella: Latin, cyprinus = carp (Ref. 45335); bocagrande: From its large mouth (Ref. 42680).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
North America: endemic to Guzman basin, northern Mexico.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 4.1 cm SL オス/雌雄の選別がない; (Ref. 13265)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 8 - 9; 肛門の骨: 0; 臀鰭: 7 - 9; 脊つい: 30 - 32. Modally 8 anal-fin rays; 29 or more predorsal circumferential scales; absence of basicaudal spot; breast fully scaled; upper jaw large, length greater than 9.4% SL, extending under orbit; gular stripe reaching under orbit, not to isthmus; breeding males with many large tubercles over head, with narrow gap on rostrum, not organized into rows, less than 16 non-marginal tubercles on caudal-peduncle scales; both breeding males and females with distinct plum-colored lateral stripe below iridescent light-yellow stole; and scapular bar absent or weak; mouth terminal to subterminal (Ref. 42680).
Inhabits spring, most adults occur in the upper meter of the water column and near the margins of the cattails or in the growth of cattails surrounding the spring. Few individuals are found in the open water column and near the substrate; relatively few fish are seen in the shallow marginal waters. Forms schools of at least 500-600 individuals .
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Mayden, R.L. and D.M. Hillis, 1990. Natural history and systematics of the largemouth shiner, Cyprinella bocagrande (Teleostei: Cypriniformes), with comments on conservation status. Copeia 1990(4):1004-1011. (Ref. 13265)
IUCNのレッドリストの状況は (Ref. 130435)
絶滅寸前の危機的状況 (CR) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 18 September 2018
Human uses
用具
特記事項
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インターネットの情報源
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=0.00851 (0.00376 - 0.01926), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
