About

Mexican ichthyologist based in Chetumal, at the border between Mexico and Belize. PI at El Colegio de la Frontera Sur (ECOSUR). M.Sc. at CICIMAR-IPN in La Paz, Baja; Ph.D. at UNAM, Mexico City; sabbatical stays at UMMZ, Ann Arbor. Described species and genera in Cichlidae and Acestrorhamphidae. Studies synecology of freshwater and coral reef fishes: trophic models, interhabitat migration, biotic integrity.