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俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
七鰭鯰科 (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..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
North America: subterranean watercourse in Sistema de La Lucha, Chiapas, Mexico.
北美洲: 在 Sistema de La Lucha , Chiapas ,墨西哥的地下水道。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 52912)
簡短描述
型態特徵 | 形態測量圖
臀鰭軟條: 13 - 16; 脊椎骨: 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).
與其他種的 Rhamdia 區分了藉由下列特徵的組合: 縮小的身體顏色了; 眼不發達的, 被皮膚蓋著了而不是看得見的外部地; 頭長 24.6-27.1% SL; 胸鰭長度 14.4-17.5% SL; 上頜骨觸鬚長度 39.2-47.3% SL; 尾柄深度 9.3-12.2% SL; 胸棘在後緣上鋸齒狀的了只有, 前緣平滑的.(參考文獻 52912)
A troglobitic species (Ref. 52912).
一個穴居的種.(參考文獻 52912)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在 Sistema de La Lucha , Chiapas ,墨西哥的地下水道。
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)
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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=0.00832 (0.00463 - 0.01496), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
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): Low vulnerability (10 of 100).