| observations on some nematodes parasitic in freshwater fishes in laos. | in 1989, samples of some freshwater fishes collected in vientiane province (r. mekong basin) in laos were examined for helminths. this material comprised 11 species of parasitic nematodes (7 adults and 4 larvae), including 3 species new to science: camallanus (camallanus) hampalae sp. n. from hampala macrolepidota, procamallanus (punctocamallanus) punctatus sp. n. from mystus rhegma and mystus sp., and rhabdochona (globochona) equispiculata sp. n. from hampala macrolepidota and h. dispar. zeylan ... | 1991 | 1937275 |