Biometrics such as weight-length relationships (WLRs), length-length (LLRs), well form factor (a3.0) were investigated for three flatfish species, Cynoglossus lingua, arel, and Brachirus pan which captured using seines gill nets between September 2021 March 2022 from the Bay of Bengal, Bangladesh. The lengths measured to adjacent 0.1 cm accuracy with a digital caliper weights 0.01 g balance eac...