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No image available for this species; drawing shows typical species in Horabagridae.
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Siluriformes (Catfishes) > Horabagridae (Imperial catfishes)
Etymology: Horabagrus:Named for S.L.Hora, director of Zoological Survey of India + Greek, pagros = a fish, Dentex sp. (Ref. 45335); obscurus:Name 'obscurus' from the Latin word meaning dark or cloudy, in reference to the colour pattern of the fish. Also from the English word obscure meaning cryptic or ambiguous, in allusion to the confusion between H. obscurus and the sympatric H. nigricollaris.. Eponymy: Dr Sunder Lal Hora (1896–1955) was a distinguished Indian ichthyologist and biologist who held a doctorate in science from both the Punjab University (1922) and Edinburgh University (1928), having studied for his master’s at the Government College, [...] (Ref. 128868), visit book page.
背棘 (總數) : 1; 背的軟條 (總數) : 5; 臀鰭軟條: 28 - 29. This species is distinguished by the following set of characters: greenish brown ground color mottled with black and a small black humeral blotch with a yellow to white region immediately anteroventral to the blotch; adult size >250 mm SL; caudal peduncle depth 8.5-10.8% SL; eye orbital diameter 13.4-19.7% HL; pectoral spine 48.9-62.3% HL; width of pectoral girdle 72.3-76.9% HL; maxillary barbel just reaching the pectoral fin origin; total post-Weberian vertebrae modally 38 (Ref. 137589). Body shape (shape guide): elongated.
This species inhabits rivers with fast flowing water and hard substrate (Ref. 137589).
Kumar, R.G., C. Ravi, N.P. Krishnaprasoon and V.S. Basheer, 2024. A new sympatric species of Horabagrus (Siluriformes: Horabagridae) from the Chalakkudy river basin in Kerala, India. Indian J. Fish 71(4):20-26. (Ref. 137589)
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00191 - 0.01202), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref. 59153): Moderate vulnerability (40 of 100). 🛈
