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: Sisor: Local name for the fish in Bengal and Bihar; torosus: From the Latin torosus, meaning stout, in reference to the relatively deep body of this species..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Asia: Ganges River basin in India.
亞洲: 在印度的恒河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 55921)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 1; 背的軟條 (總數): 5-6; 臀鰭軟條: 6; 脊椎骨: 33 - 35. Differs from other members of the genus in having a relatively deep body (body depth at anus 6.0-7.8% SL vs. 4.2-5.8), anterior edge of pectoral spine with 29-34 serrations while posterior edge with 12-18 serrations. Can be differentiated further from Sisor rheophilus in having a wider nuchal plate (width 1.2-1.3 times length vs. width equal to length) (Ref. 55921).
在有一個方面有別於其他本屬的成員相當深的身體 (體高在肛門 6.0-7.8% SL vs.4.2-5.8), 胸棘的前緣有 29-34個鋸齒然而用 12-18個鋸齒的後緣。 能從 Sisor rheophilus 在有一個方面被區別進一步比較寬的頸背碟 (寬度 1.2-1.3 倍長度和寬度比較等於長度) 。 (參考文獻 55921)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 在印度的恒河。
Ng, H.H., 2003. A revision of the south Asian sisorid catfish genus Sisor (Teleostei: Siluriformes). J. Nat. Hist. 37:2871-2883. (Ref. 55921)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
