| parasite diversity in oxydoras niger (osteichthyes: doradidae) from the basin of solimões river, amazonas state, brazil, and the relationship between monogenoidean and condition factor. | this study describes the parasitic fauna of oxydoras niger from the coari lake, tributary of the medium solimões river, state of amazonas, brazil, and the relationship between the number of monogenoidea and the condition factor. from a total of 27 examined fish, 70.3% were parasitised by at least one parasite species as follows: ichthyophthirius multifiliis (protozoa), chilodonella sp. (protozoa), cosmetocleithrum gussevi, c. confusus, c. parvum and cosmetocleithrum sp. (monogenoidea), paracavis ... | 2011 | 21881805 |
| morphological and molecular characterization of cucullanid nematodes including cucullanus opisthoporus n. sp. in freshwater fish from the brazilian amazon. | molecular and morphological characterization of two species of cucullanidae from freshwater fish in brazil are provided, one of which represented an undescribed taxon. cucullanus opisthoporus n. sp. was collected in cichla melaniae from river xingu, state of pará, and in c. pinima from river jamarí, state of rondônia. nematodes referable to cucullanus grandistomis were collected in oxydoras niger from river xingu. the new species has an appendage in the tail tip, ventrally covered by small spine ... | 2016 | 27776573 |