Histological and molecular characterization of the digestive system of early weaned juveniles of Arapaima sp. reared in a recirculating aquaculture system - Maria J. Darias; Guillain Estivals; Karl B. Andree; Christian Fernández-Méndez; Roger Bazán; Chantal Cahu; Enric Gisbert; Diana Castro-Ruiz (PLoS ONE, 2025)