Class: Actinopterygii (Ray-finned fishes)
Order: Siluriformes (Catfishes)
Family: Sisoridae (Bagariidae; Sisorid catfishes)
Species: G. youssoufi
Synonyms: No synonyms
Local name: Gang tengra (গাং টেংরা)
Distributions: Name of place or country will go here, not the name of water body (Reference required).
Conservation status: Not threatened in Bangladesh (IUCN Bangladesh, 2000).
Morphology: Body elongate with arched dorsal and ventral profile, head pointed anteriorly and compressed at sides, flattened ventrally (Rahman, 1989 and 2005). Mouth small and inferior; barbels 4 pairs, dorsal fin equal or slightly longer than head (Rahman, 1989 and 2005).
Body color yellowish on back and silvery below; 2 dark bands on head and four black bands over body; a dark transverse mark at the upper dorsal and a black blotch at the center of each caudal lobe; caudal root also with a black mark (Rahman, 1989 and 2005).
Fin formula: D. II/6; P1. I/8-9; P2. 1/5; A. 3-4/11-14; C. 18 (Rahman, 1989 and 2005)
Maximum length: 6.6 cm (Rahman, 1989 and 2005).
Habitats: Old Brahmaputra river (Mymensingh) and Meghna river (Chadpur) of Bangladesh (Rahman, 1989 and 2005).
IUCN Bangladesh (2000) Red book of threatened fishes of Bangladesh, IUCN- The world conservation union. xii+116 pp.
Ataur Rahman (1976) The freshwater pipe fishes of Bangladesh, with the description of a new species. Bangladesh Journal of Zoology 4(2):43-50.
Rahman AKA (1989) Freshwater Fishes of Bangladesh, 1st edition, Zoological Society of Bangladesh, Department of Zoology, University of Dhaka, Dhaka-1000, pp. 221-222.
Rahman AKA (2005) Freshwater Fishes of Bangladesh, 2nd edition, Zoological Society of Bangladesh, Department of Zoology, University of Dhaka, Dhaka-1000, pp. 244-245.
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