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¹ University of Rajshahi, Faculty of Agriculture, Department of Fisheries, Rajshahi 6205, Bangladesh DOI : 10.4194/trjfas.2010.0118 Viewed : 4966 - Downloaded : 7610 This study describes the length-weight (LWR) and length-length (LLR) relationships of four cyprinid important small indigenous fish species (SIS) from the Padma River, Bangladesh. A total of 914 specimens were caught by traditional fishing gear from March 2006 to February 2007. Length (cm) and body weight (g) for each specimen was taken by a digital slide caliper and balance, respectively. The allometric coefficient b was close to isometric value (≈3.000) in Aspidoparia morar and Puntius ticto, although it suggested positive allometric growth in Amblypharyngodon mola and Lepidocephalus guntea. The results further indicated that LLRs were highly correlated (r² >0.932; P<0.001). Keywords : total length-body weight relationships, SIS, Bangladesh