| spatio-temporal dynamics of the nematode anguillicola crassus in northeast tunisian lagoons. | anguillicola crassus, parasite nematode of the european eel anguilla anguilla, was recorded for the first time in tunisia (1999) in the ichkeul lagoon. its distribution has since spread toward bizerte and ghar el melh lagoons. the monthly epidemiological survey reveals that a. crassus exists throughout the year in the ichkeul lagoon. in this lagoon, its prevalence is low in winter (12% in december), with a marked increases in the spring reaching a maximum in march (35%), before it starts to decr ... | 2006 | 17027639 |