REFERENCES
- Bedford , B. C. 1964 . Two mechanical aids for otolith reading . Rep. I.C.N.A.F. Res. Bull. , 1 : 1 – 5 .
- Botha , L. 1971 . Growth and otolith morphology of the Cape Hakes Merluccius capensis Cast and M. paradoxus Franca . Div. sea Fish Invest. Rep. , 97 : 1 – 32 .
- Ricker , W. E. 1971 . Methods for assessment of fish production in fresh waters 1 – 348 . Oxford : Blackwell . 2nd ed.
- Wallace , J. H. 1975a . The estuarine fishes of the East Coast of South Africa I. Species composition and length distribution in the estuarine and marine environments. II. Seasonal abundance and migrations . Invest. Rep. oceanogr. Res. Inst. , 40 : 1 – 72 .
- Wallace , J. H. 1975b . The estuarine fishes of the East Coast of South Africa III. Reproduction . Invest. Rep. oceanogr. Res. Inst. , 41 : 1 – 48 .
- Wallace , J. H. and Van Der Elst , R. P. 1975 . The estuarine fishes of the East Coast of South Africa IV. Occurrence of juveniles in estuaries. V. Ecology, estuarine dependence and status . Invest. Rep. oceanogr. Res. Inst. , 42 : 1 – 63 .