Some Aspects of Reproduction in Amblypharyngodon mola from Sylhet, Northeast Bangladesh

The mola carplet, Amblypharyngodon (Hamilton, 1822) is the most common small indigenous freshwater fish species in Bangladesh. precise information addressing reproduction this including breeding peak, ovarian histology, morphometry, and sex ration nature still insufficient. A one yearlong filed survey different laboratory assays have been directed to disclose some key features of female A. from wetland reservoirs greater Sylhet region total length body weight shown a strong correlation with gonad weight, occupying statistical r2 values 0.89 0.91, respectively. However, Chi-square test at P<0.05 reported no significant deviation wetland’s stock. maximum fecundity has during month May as 12569+620 while lowest July 9377+455. highest for gonadosomatic index January another peak November. histological study cells resulted characterization oocytes, previtellogenic vitellogenic perinuclear mature yolk mass.