Systematic position (Nelson 2006)
Class: Actinopterygii (Ray-finned fishes)
Order: Cypriniformes (Carps)
Family: Balitoridae (River loaches)
Species: A. botia
Botia nebulosa Blyth, 1860
Cobitis botia Hamilton, 1822
Nemacheilus botia (Hamilton, 1822)
Nemacheilus botia botia (Hamilton, 1822)
Nemachilus mackenziei Chaudhuri, 1910
Noemacheilus botia (Hamilton, 1822)
English: Mottled loach
Bangladesh: Balichata (বালিচাটা), Biltari (বিলতারি) and Natwa (নটোয়া)
Distributions: Bangladesh; northern India (Brahmaputra and Ganga basins) and Pakistan (Indus basin) (Talwar and Jhingran 1991).
Conservation status: Data Deficient in Bangladesh (IUCN Bangladesh 2000).
Morphology: Body elongate and slender. Body depth 4.5-5.9 times in SL (Talwar and Jhingran 1991). Eyes are not visible from ventral portion of body. Semi-circular mouth with moderately fleshy lips. Caudal slightly emarginated. Lateral line usually complete. Often ending beyond anal fin base (Talwar and Jhingran 1991). 4 rostral and 2 maxillary barbels.
Body color olive to yellowish-orange. 12-16 blackish cross-bands of turns and twists, descending below the lateral line. These bands are interrupted in young and half-grown specimens (Talwar and Jhingran 1991); scattered irregularly on flanks of adults (Talwar and Jhingran 1991). 5-6 zig-zag narrow bands on dorsal and caudal with 5-7 ‘>’-shaped dark bands (Talwar and Jhingran 1991). A black ocellus at the upper portion of caudal base.
D. 13 (2/11); P1. 10; P2. 8 (1/7); A. 6 (1/5) (Rahman 1989 and 2005)
D iii 9-11; A iii 5; P i 11; V i 7 (Talwar and Jhingran 1991)
D. 12-14 (2/10-12); P. 11; V. 8; A. 7 (2/5); C. 17 (Shafi and Quddus 2001)
Habitats: Inhibits submontane zones (Talwar and Jhingran 1991). Also found in canals, beels and rivers (Shafi and Quddus 2001). Found in hills streams and clear water creeks of Sylhet, streams of Mymensingh, Dinajpur and Rangpur (Rahman 1989 and 2005). Recorded from the Chalan Beel (Galib et al 2009 and 2010) and Halti Beel (Imteazzaman and Galib 2013).
Fishery info: Of no interest to fisheries (Talwar and Jhingran 1991). Used as food fish in Bangladesh.
Blyth E (1860) Report on some fishes received chiefly from the Sitang River and its tributary streams, Tenasserim Provinces. Journal and Proceedings of the Asiatic Society of Bengal 29(2): 138-174.
Chaudhuri BL (1910) Description of a new species of Nemachilus from northern India. Records of the Indian Museum (Calcutta) 5(3): 183-185.
Hamilton F (1822) An account of the fishes found in the river Ganges and its branches. Edinburgh & London. An account of the fishes found in the river Ganges and its branches.: i-vii + 1-405, Pls. 1-39.
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