分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Gagata: Local fish name, kenyakatta, in Bengal; dolichonema: From the Karen name 'niya gasawyuh' ('niya' - prefix for fish; 'gasaw' - elephant; 'yuh' - fear = 'the fish that elephants are afraid to step on')..
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Asia: Upper Salween River basin in China and Irrawaddy, Salween and Tenasserim River basins in Myanmar.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 13.0 cm SL オス/雌雄の選別がない; (Ref. 40780)
背面の脊椎 (合計) : 1; 背鰭 (合計) : 6; 肛門の骨: 3; 臀鰭: 10; 脊つい: 38 - 39. Dorsal part of thoracic region with 4 black stripes. Median longitudinal groove extending to end of occipital process. Maxillary barbel longer than head. Dorsal-fin spine produced into long filament. Pectoral-fin spine with without filamentous projection. Anal fin with 3 simple rays, 11 branched rays. Eye diameter shorter than snout length. Isthmus with no finger-like projections (Ref. 40780). Gill opening extending to belly and brachial membrane connected to isthmus (Ref. 45563).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Roberts, T.R. and C.J. Ferraris Jr., 1998. Review of South Asian sisorid catfish genera Gagata and Nangra, with descriptions of a new genus and five new species. Proc. Calif. Acad. Sci. 50(14):315-345. (Ref. 40780)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00307 - 0.01489), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
