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: Pimelodella: Diminutive latinized of greek, pimele = fat + Greek, odous, odella = little teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的; pH range: 7.0 - 8.0. 高海拔; 15°C - 22°C (Ref. 38979); 24°S - , 48°W - (Ref. 97234)
South America: caves in the Ribeira do Iguape River basin in Sao Paulo, Brazil.
南美洲: 聖保羅巴西。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 20.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 36914); 最大年齡: 15 年 (Ref. 38979)
Cave-restricted species. Populations are found in headwater streams in caves, with rocky beds and many rapids intercalated with soft-bottom pools (Ref. 97234). Adults are generalist feeders and opportunistic carnivores feeding on invertebrates (Ref. 97234).
被限定在洞穴的種。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Reproductive mode and guild assumed to be the same as congeners (Ref. 56810).南美洲: 聖保羅巴西。
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)
瀕危 (EN) (B2ab(ii,iii)); Date assessed: 07 November 2018
人類使用
漁業: 沒有興趣
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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 (0.00383 - 0.01808), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Generation time: 5.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (tmax=15).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
