| [feeding habits of the fishes lutjanus peru and lutjanus guttatus (pisces: lutjanidae) of guerrero, méxico]. | diet composition of the pacific snapper (lutjanus peru) 130-684 mm fork length (fl) and the spotted snapper (lugjanus guttatus) 120-550 mm fl, was analyzed. monthly samples were obtained from commercial landings in three regions off the coast of guerrero, mexico. percentage by number (%n), percentage by weight (%w), and percentage of occurrence (%o) were calculated for each prey and summarized as the index of relative importance. both species are polyphagous predators feeding on a variety of pre ... | 2004 | 17354408 |
| [coexistence of lutjanus peru and lutjanus guttatus (pisces: lutjanidae) in the coast of guerrero, méxico: association with the temporal variation of recruitment]. | monthly volumes of capture of lutjanus peru and lutjanus guttatus from the coast of guerrero, mexico, were analyzed considering eight annual cycles. time-series, auto correlation, and cross-correlation analysis showed that monthly abundance of populations display unsystematic variations. the fisat software was used to obtain the recruitment patterns of both species, using length-frequency data. our results support the hypothesis that temporal phase-shifts in reproductive events, hence recruitmen ... | 2004 | 17357415 |