Hi guys, we found a rare leucistic specimen of Rock Catfish. Full short paper here: https://www.researchgate.net/publication/372061664_Un_caso_de_leucismo_en_el_Juil_de_Jamapa_Rhamdia_laticauda_Siluriformes_Heptapteridae_en_el_noreste_del_estado_de_Oaxaca_Mexico