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Geographic range, distribution patterns and interactions of Monogenea Van Beneden 1858, with species of native host freshwater fishes from Brazil. | LitMetric

Geographic range, distribution patterns and interactions of Monogenea Van Beneden 1858, with species of native host freshwater fishes from Brazil.

Rev Bras Parasitol Vet

Programa de Pós-Graduação em Biodiversidade Tropical - PPGBio, Universidade Federal do Amapá - UNIFAP, Macapá, AP, Brasil.

Published: August 2022

AI Article Synopsis

  • - The study analyzed 312 papers to identify patterns of infection and geographic distribution of monogenean parasites in native freshwater fish from Brazil, involving 1,698 samples across 296 fish species from various families.
  • - The most common host fish families with monogenean associations were Serrasalmidae, Characidae, Loricariidae, Curimatidae, and Anostomidae, while the monogeneans were predominantly from the Dactylogyridae family among 578 total species documented.
  • - Significant variability was found in the prevalence, intensity, and abundance of these parasites among different fish species, with notable geographic distribution clustered around the Amazon and Paraná river basins; only about 6% of potential monogene

Article Abstract

This paper investigated information on monogenean species using 312 scientific papers, to search for infection and geographic distribution patterns in native freshwater fish from Brazil. We used 1,698 samples of 296 fish species of 28 families distributed into Characiformes, Siluriformes, Cichliformes, Gymnotiformes, Perciformes, Mugiliformes, Osteoglossiformes and Clupeiformes, in addition to four hybrid fish. Among the hosts of the different orders and families, the greatest numbers of parasite-host associations were found for species of the families Serrasalmidae, Characidae, Loricariidae, Curimatidae and Anostomidae. The 578 species of monogeneans used in parasite-host interactions were distributed in 86 genera of six five families (Dactylogyridae, Gyrodactylidae, Diplectanidae, Microcotylidae, Ancylodiscoididae and Ancyrocephalidae), but with great predominance of Dactylogyridae species. There was variation in prevalence, intensity and abundance levels of monogeneans species among host fish species, as well as in infection sites that occurred predominantly in external organs. Positive correlations of prevalence, intensity and abundance with body length of hosts were observed. There was geographic distribution pattern of monogeneans limited mostly to two hydrographic basins those being the Amazon River and Paraná River. Just approximately 6% of potential monogeneans have been explored thus far, showing a clear need for further studies on this interesting group of parasites.

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Source
http://dx.doi.org/10.1590/S1984-29612022048DOI Listing

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