Notas sobre la biología y dieta del toyo vieja (Mustelus lunulatus) en la zona central de pesca del Pacífico colombiano

specimens of mustelus lunulatus captured in the trawling fishery of a shrimp vessel in the central zone in the pacific ocean off colombia were analyzed. the size, weight, growth pattern, sexual proportion, stages of maturity and diet were determined. the captured specimens were between 50 and 125 cm, the sexual proportion was 1:1, and the isometric-type length-weight relationship was described by wt = 0.005·lt2.92. in all, 13 food items were identified in the stomach content, with the stomatopods (squilla panamensis and s. parva) being the dominant taxonomic group in number and weight