Nwosu, F. M., Holzlöhner, S. and Enin, U. I. (2007) “The exploited population of the brackish river prawn (Macrobrachium macrobrachion Herklots 1851) in the Cross River estuary, Nigeria”, Scientia Marina, 71(1), pp. 115–121. doi: 10.3989/scimar.2007.71n1115.