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: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 20°C - 28°C (Ref. 36880)
Central America: river basins in Costa Rica and Nicaragua.
中美洲: 在大西洋的流域上, 在 Rio Escondido 流域，尼加拉瓜與 Rio Parismina ，哥斯大黎加之間。 在太平洋的流域上, 已知只來自 Tempisque ， Bebedero 與 Tarcoles 流域.(參考文獻 36880)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 26.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 36880)
Lives in rivers and creeks between 20 and 1160 m elevation in currents of low to moderate velocity, with stony bottoms and substrata of sand and mud. Feeds mainly on aquatic insects, seeds and small fish (Ref. 36880).
生活在 20 與 1160 公尺海拔在低到中速度的水流中 , 且底部為石頭的地方和沙子與泥的下層土壤之間的河與小溪。 主要吃水生昆蟲，種子與小魚。 (參考文獻 36880)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
中美洲: 在大西洋的流域上, 在 Rio Escondido 流域，尼加拉瓜與 Rio Parismina ，哥斯大黎加之間。 在太平洋的流域上, 已知只來自 Tempisque ， Bebedero 與 Tarcoles 流域.(參考文獻 36880)
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: 07 November 2019
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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=0.00776 (0.00362 - 0.01664), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
