Class: Actinopterygii (Ray-finned fishes)
Order: Cypriniformes (Carps)
Family: Balitoridae (River loaches)
Species: S. savona
Acoura obscura (Swainson, 1839)
Cobites obscura Swainson, 1839
Cobitis savona Hamilton, 1822
Nemacheilus savona (Hamilton, 1822)
Noemacheilus savona (Hamilton, 1822)
Bangladesh: Savon khorka (স্যাভন খোরকা)
Distributions: Bangladesh (Rahman, 1989 and 2005); Eastern Himalaya: Tista drainage at Darjeeling through Nepal, to Karnali and Kali drainage in Uttar Pradesh of India (Talwar and Jhingran, 1991).
Conservation status: Not threatened in Bangladesh (IUCN Bangladesh, 2000).
Morphology: The body is slender, compressed and more or less cylindrical. Dorsal profile arched and ventral profile slightly concave. A small semi-circular mouth with fleshy and furrowed lip. Lower lip notched at middle. Barbels 3 pairs and equal in size. Scales small, imbricate and scattered all over body. A small appendages on pelvics. Caudal deeply emarginated. Lateral line complete.
Yellowish-brown body with 10-12 narrow vertical white bands (Rahman, 1989 and 2005). Caudal base black. Fins are usually free from markings.
D. 10 (2/8); P1. 10; P2.7; A. 7 (2/5) (Rahman, 1989 and 2005)
D iii 9; A ii 5; P i 8; V i 6 (Talwar and Jhingran, 1991).
Maximum length: 2.4 cm SL (Talwar and Jhingran, 1991).
Habitats: Inhibits hill streams of Sylhet, Chittagong and Dinajpur districts of Bangladesh (Rahman, 1989 and 2005).
Fishery info: Of no interest to fisheries (Talwar and Jhingran, 1991).
IUCN Bangladesh (2000) Red book of threatened fishes of Bangladesh, IUCN- The world conservation union. xii+116 pp.
Rahman AKA (1989) Freshwater Fishes of Bangladesh, 1st edition, Zoological Society of Bangladesh, Department of Zoology, University of Dhaka, Dhaka-1000, pp. 150-151.
Rahman AKA (2005) Freshwater Fishes of Bangladesh, 2nd edition, Zoological Society of Bangladesh, Department of Zoology, University of Dhaka, Dhaka-1000, pp. 168-170.
Swainson W (1839) The natural history and classification of fishes, amphibians, & reptiles, or monocardian animals. Spottiswoode & Co., London. Nat. Hist. & Class. i-vi + 1-448.
Talwar PK and Jhingran AG (1991) Inland Fishes of India and Adjacent Countries, Vol. 1, Oxford & IBH Publishing Co. Pvt. Ltd. New Delhi-Calcutta, p. 501.
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