Título:	Metazoan parasites of Calophysus macropterus (Siluriformes:Pimelodidae) in the Acre and Iaco rivers in the western Amazon region of Brazil: diversity, similarity and seasonal variation.
Autor:	NEGREIROS, L. P. PEREIRA, F. B. TAVARES-DIAS, M.
Afiliación:	LUCIANO PEREIRA NEGREIROS, UNIFAP. PPG em Biodiversidade e Biotecnologia; FELIPE BISAGGIO PEREIRA, UFMS. PPG em Biologia Animal e Biociência; MARCOS TAVARES DIAS, CPAF-AP.
Año:	2019
Referencia:	Journal of Natural History, v. 53, n. 23?24, p. 1465?1479, 2019.
Descripción:	The diversity, similarity and seasonal variation of metazoan parasite communities in Calophysus macropterus in the Acre and Iaco rivers, in the western Amazon (Brazil), was investigated. Parasites from 13 taxa were collected from C. macropterus in both rivers: four species of monogeneans, four nematodes, two cestodes, one digenean, one crustacean and one pentastomid. In hosts from the Acre river, Cucullanus pinnai predominated; while in hosts in the Iaco river, Monticellia amazonica predominated. The component communities of the parasites among the hosts in the two rivers presented high similarity (100%). Prevalence of Alinema amazonicum was higher in hosts in the Acre river; while the prevalence of C. pinnai was higher in hosts in the Iaco river and the mean prevalence and abundance of M. amazonica were higher in fish from the Iaco river. Regarding C. macropterus from the Acre river, infection levels by A. amazonicum were higher during the rainy season, while Demidospermus pinirampi only occurred in the dry season and Procamallanus (Spirocamallanus) inopinatus only occurred in the rainy season. In hosts from the Iaco river, infections by larvae of Anisakidae gen. sp. were higher during the dry season, while infection by Rudolphiella piracatinga and Sebekia sp. only occurred in the rainy season. However, P. (S.) inopinatus, Ergasilus callophysus, Ameloblastella unapi, Demidospermus luckyi, Demidospermus macropteri and D. pinirampi only occurred in the dry season. High similarity of the component communities of the parasite was observed between the rainy and dry seasons. These results suggest that factors other than location and seasonality were influencing the communities and infracommunities of the parasites found. Lastly, C. macropterus is a new host for almost 50% of the parasite species found. In addition, the results from the present study have expanded the geographical range of these 13 species of parasites to the western Amazon region.
Thesagro:	Peixe de Água Doce Parasito de Animal Infecção Ecologia Animal
NAL Thesaurus:	Catfish Ecology Freshwater fish Infection Animal parasites and pests
Palabras clave:	Sazonalidade Peixe-gato Seasonality
DOI:	https://doi.org/10.1080/00222933.2019.1657195
Tipo de Material:	Artigo de periódico
Acceso:	openAccess
Aparece en las colecciones:	Artigo em periódico indexado (CPAF-AP)