| [content of the digestive tract of 4 authoctonous species of fishes and their implications as boiregulators of mosquito larvae in venezuela]. | the content of the digestive tract of 4 authoctonous species of fishes that presented characteristics of larvivorous fishes was analyzed. it was found that 28% of the caught specimens of aequidens pulcher presented in their gastrointestinal content residues of larvae and pupae of mosquitoes combined with other food, and that 26 5 has only larvae and pupae. in aequidens coeruleopunctatus, 6 % of their content was larvae and pupae with other food, whereas 10% had only larvae and pupae. 56% of the ... | 2005 | 17969273 |
| new and previously described species of dactylogyridae (monogenoidea) from the gills of panamanian freshwater fishes (teleostei). | during an investigation of the diversity of metazoan parasites of 7 freshwater fish species from 3 localities in central panama, the following gill dactylogyrid (monogenoidea) species were found: aphanoblastella chagresii n. sp. from pimelodella chagresi (heptapteridae); aphanoblastella travassosi (price, 1938) kritsky, mendoza-franco, and scholz, 2000 from rhamdia quelen (heptapteridae); diaphorocleidus petrosusi n. sp. from brycon petrosus (characidae); gussevia asota kritsky, thatcher, and bo ... | 2007 | 17918354 |
| phylogeographic diversity of the lower central american cichlid andinoacara coeruleopunctatus (cichlidae). | it is well appreciated that historical and ecological processes are important determinates of freshwater biogeographic assemblages. phylogeography can potentially lend important insights into the relative contribution of historical processes in biogeography. however, the extent that phylogeography reflects historical patterns of drainage connection may depend in large part on the dispersal capability of the species. here, we test the hypothesis that due to their relatively greater dispersal capa ... | 2012 | 23008800 |