Pedro Ramiro Castillo (2022) “Anchoveta (Engraulis ringens) Biomass in the Peruvian Marine Ecosystem Estimated by Various Hydroacoustic Methodologies during Spring of 2019: A Recent Study”, New Visions in Biological Science Vol. 8, pp. 35–55. doi: 10.9734/bpi/nvbs/v8/2118E.