Research in the Magdalena-Cauca basin proves that through unique calls, perceptible to the human ear, the Magdalena River prochilodus or bocachico and the moino fish (or comelón) let females know that they are ready to fertilize their ovules and ensure the birth of new fish.  The research, led through hydroacoustic systems by Silvia López Casas, PhD in biology, supports new arguments for the establishment of conservation measures for these species.

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Magdalena River prochilodus, hydroacoustic systems, Silvia López Casas, the Magdalena-Cauca basin