| acanthocephalus amini n. sp. (acanthocephala: echinorhynchidae) from the freshwater fish cichlasoma urophthalmus (günther) (cichlidae) in mexico. | acanthocephalus amini n. sp. (palaeacanthocephala: echinorhynchidae) is described from the intestine of cichlasoma urophthalmus (günther) (pisces: cichlidae) collected in the río champotón, a river in campeche state, mexico. it is the fourth species of acanthocephalus koelreuther, 1771 described from north american freshwater fishes, although two other species are known from south america. the new species is distinguished from other members of acanthocephalus by features of its trunk, which is s ... | 2009 | 19472078 |