Oyegwa, S. A.; Nwachi, O. F. MORPHOMERISTIC VARIABILITY OF Piaractus Mesopotamicus IN ESTUARINE ENVIRONMENTS OF THE GULF OF GUINEA: IMPLICATIONS FOR STOCK IDENTIFICATION AND MANAGEMENT. FJS 2026, 10 (4), 312-316. https://doi.org/10.33003/fjs-2026-1004-4858.