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) >
Sisoridae (Sisorid catfishes)
吸口鯰科 (Sisorid catfishes) > Sisorinae
Etymology: Gagata: Local fish name, kenyakatta, in Bengal.
More on author: Hamilton.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 居於水底的; pH range: 6.0 - 7.2; dH range: ? - 15. 熱帶; 20°C - 24°C (Ref. 2059)
Asia: widely distributed in the Ganges basin, the Indus River system, and the Mahanadi River. Reported from Myanmar (Ref. 4833) and the Salwin River (=Salween River) in Thailand (Ref. 1632).
亞洲: 廣泛分佈於恒河流域，印度河系統, 與馬哈維里河。 記錄來自在泰國的緬甸 (參考文獻 4833) 與 Salwin 河 (=薩爾溫江)了。 (參考文獻 1632)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 4833)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 6; 臀鰭軟條: 9 - 12; 脊椎骨: 35 - 36. Matures at less than 7 cm SL. Dorsal with dark saddles extending ventrally only to lateral line. Caudal fin with transverse black bar across peduncle and round or square black spot on middle of each lobe. Dorsal fin with black spot on distal part of anterior rays. Anal fin with 4-5 simple rays, 9-11 branched rays. Upper jaw and 4th ceratobranchial toothless; lower jaw with few conical teeth in pocket or depression near symphysis. Snout tip acutely pointed in lateral view, with tip separated from the rest of the snout by distinct notch (Ref. 40780).
在少於 7 公分 SL 時成熟。 背部有腹地只有對側線延伸的深色的鞍狀斑。 在每個葉的中央上尾鰭有橫過梗與圓或方形的黑色斑點的橫跨的黑色橫帶。 在前面鰭條的末梢部部份上的背鰭有黑色斑點。 臀鰭有 4-5 單一的鰭條,9-11個分支條。 上頜與第 4個角鰓骨無齒的; 在瘉合處附近的口袋或凹窪中下頜有少數錐形齒。 吻頂端尖銳的在側面中, 與與明顯凹槽的其它吻部分開的頂端.(參考文獻 40780)
Found in fresh and tidal rivers (Ref. 41236).
發現於生鮮地了與有潮汐漲落的河川.(參考文獻 41236)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
亞洲: 廣泛分佈於恒河流域，印度河系統, 與馬哈維里河。 記錄來自在泰國的緬甸 (參考文獻 4833) 與 Salwin 河 (=薩爾溫江)了。 (參考文獻 1632)
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)
人類使用
漁業: 商業性
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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=0.00562 (0.00352 - 0.00899), b=3.04 (2.91 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
