| helminth communities of four commercially important fish species from chetumal bay, mexico. | the relative importance of ecology and evolution as factors determining species richness and composition of the helminth communities of fish is a matter of current debate. theoretical studies use host-parasite lists, but these do not include studies on a temporal or spatial scale. local environmental conditions and host biological characteristics are shown to influence helminth species richness and composition in four fish species (eugerres plumieri, hexanematichthys assimilis, oligoplites sauru ... | 2007 | 17381863 |