| observations on cucullanid nematodes from freshwater fishes in mexico, including dichelyne mexicanus sp. n. | a new cucullanid nematode, dichelyne mexicanus sp. n., is described from the intestine of three species of fishes, agonostomus monticola (bancroft) (mugilidae, perciformes) (type host), ictalurus balsanus (jordan et snyder) (ictaluridae, siluriformes) and cichlasoma beani (jordan) (cichlidae, perciformes), from three rivers (la maquina river, veracruz; chontalcoatlán river, guerrero and santiago river, nayarit) in central mexico. this species is characterised by the absence of a ventral sucker i ... | 1999 | 10730201 |