| morphology of gnathostoma spp. isolated from natural hosts in sinaloa, mexico. | gnathostomosis is an emerging public health problem in sinaloa, mexico, where an increasing number of human cases have been diagnosed since 1989. the present study was carried out to determine the presence of the parasite in other natural hosts from the area. birds, fish, opossums and raccoons were captured from local dams and lagoons. the flesh from bird and fish specimens was ground and examined under a 100 w light bulb. larvae were processed for light and electron microscopy. a total of 368 a ... | 2002 | 12107456 |
| metazoan parasite community of blue sea catfish, sciades guatemalensis (ariidae), from tres palos lagoon, guerrero, mexico. | the seasonal dynamic of the metazoan parasite community of the blue sea catfish (sciades guatemalensis) from tres palos lagoon, guerrero, mexico, was studied at the component community and infracommunity levels. a total of 382 fish were collected during the regional dry and rainy seasons (a total of seven seasons) between april 2000 and september 2007. nine helminths were collected: neotetraonchus sp., pseudoacanthostomum panamense, austrodiplostomum compactum, clinostomum complanatum, metadena ... | 2009 | 19548005 |