分類 / Names
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).
More on author: Kner.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 7.5 - ? ; dH range: 14 - ?. 熱帶; 24°C - 28°C (Ref. 2059)
North and Central America: Central Mexico to northern Panama, in both Pacific and Caribbean slopes.
中美洲: 哥斯大黎加與巴拿馬。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 29.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 102977)
This species has the following characters: pigmented body; functional eyes; dorsal fin base 10.2-13.4% of SL; origin of adipose fin posterior to the anus; maxillary barbels extend to a point between the pectoral-fin origin and that of the pelvic fin (Ref. 108688).
Typical in highland brooks and in rivers or creeks of moderate to high current velocity, found between 35 and 1350 m elevation. Lives on sand and stone bottoms where it feeds on aquatic insects (Ref. 36880) and in caves (Ref. 27297).
典型的在高地小溪與中到高水流速度的河或小溪中, 發現在 35 與 1350 公尺海拔之間了。 生活在沙子與石頭底部在那裡它吃水生昆蟲.(參考文獻 36880)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
中美洲: 哥斯大黎加與巴拿馬。
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. 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. 36914)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 05 September 2018
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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=0.01000 (0.00554 - 0.01806), b=3.03 (2.88 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.7 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
