分類 / Names
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Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Gagata: Local fish name, kenyakatta, in Bengal.
More on author: Hamilton.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水; 汽水性の 底生の. Tropical
Asia: India, Bangladesh and Myanmar.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 31.0 cm TL オス/雌雄の選別がない; (Ref. 85009)
背面の脊椎 (合計) : 1; 背鰭 (合計) : 6; 脊つい: 38 - 39. Head and body silvery, without pattern. Fins, except caudal fin, black distally, with clear basal portions; caudal fin entirely clear. Dorsal spine extending well past adipose-fin origin when adpressed. Anal fin with 5-6 simple rays, 11 branched rays. Premaxilla with 4 rows of teeth. Most similar to G. melanopterus in coloration and having the highest gill raker counts among its congeners (Ref. 40780).
Found in rivers and estuaries (Ref. 41236).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 興味がない
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 (0.00310 - 0.01476), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
