Length–weight relationships of 33 fish species from New Zealand

Summary Length–weight relationships are presented for 33 fish species from New Zealand. The parameters a and b of the equation W =  a L b were estimated. Parameter b ranged from 2.51 ( Pseudocaranx dentex ) to 3.51 ( Alepocephalus antipodianus ) with a mean of 3.12 ± 0.24. Most of these estimates (90.9%) were between 2.8 and 3.4. Maximum lengths and depths of catch are updated for nine species.