分類 / 名前
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Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Rhamdia: Brazilian vernacular name, Nhamdia/Jamdia (Ref. 45335); laluchensis: Specific name derived from the type locality, the Sistema de La Lucha.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の. Tropical
North America: subterranean watercourse in Sistema de La Lucha, Chiapas, Mexico.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 12.0 cm SL オス/雌雄の選別がない; (Ref. 52912)
簡単な記述
検索表 | 形態学 | 形態計測学
臀鰭: 13 - 16; 脊つい: 43 - 44. Distinguished from other species of Rhamdia by the combination of the following characters: reduced body pigmentation; eyes rudimentary, covered by skin and not visible externally; head length 24.6-27.1% SL; pectoral-fin length 14.4-17.5% SL; maxillary barbel length 39.2-47.3% SL; caudal-peduncle depth 9.3-12.2% SL; pectoral spine serrated on posterior edge only, anterior edge smooth (Ref. 52912).
Body shape (shape guide): elongated.
A troglobitic species (Ref. 52912). Migratory behaviour is undetermined (Ref. 126106).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Weber, A., G. Allegrucci and V. Sbordoni, 2003. Rhamdia laluchensis, a new species of troglobitic catfish (Siluriformes: Pimelodidae) from Chiapas, Mexico. Ichthyol. Explor. Freshwat. 14(3):273-280. (Ref. 52912)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (D2); Date assessed: 05 September 2018
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00473 - 0.01530), b=2.96 (2.81 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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