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Virgilio LR, da Silva Lima F, Keppeler EC, Takemoto RM, Camargo LMA, de Oliveira Meneguetti DU. Endoparasite Communities of Fish at Different Trophic Levels in the Western Brazilian Amazon: Human, Environmental and Seasonal Influence. Acta Parasitol 2023; 68:612-636. [PMID: 37395992 DOI: 10.1007/s11686-023-00685-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 05/08/2023] [Indexed: 07/04/2023]
Abstract
PURPOSE The composition of the fish parasite community depends on several factors related to the environment, the host and its biology. This study aimed to evaluate the influence of environmental factors in anthropized and conserved areas on the endoparasite community structure in fish at different trophic levels, in addition to verifying that some species of Digenea are indicators of conserved environments. METHODS The study was carried out in the Upper Juruá River region, Western Amazon, Brazil. Six sampling sites were selected in this region and grouped in conserved and degraded environments. Fish were caught from periods of drought and flood, using passive and active sampling methods. Fish collected were measured, weighed, necropsied and the parasites found were counted, fixed, and subjected to morphological analysis. Physical and chemical variables and environmental characteristics were measured in all sites. RESULTS The present study demonstrated that environmental variables in a floodplain system can influence the richness, diversity, composition and abundance of endoparasites in hosts at different trophic levels. In addition, anthropized environments may favor the abundance of some generalist parasites and present a more homogeneous biota between seasonal periods compared to conserved environments. CONCLUSION Study contributed with information supporting the importance of conservation of aquatic environments, and demonstrated that fish parasites can be excellent indicators of environments.
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Affiliation(s)
- Lucena Rocha Virgilio
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Bionorte, Universidade Federal do Acre, Rio Branco, Acre, Brazil.
| | - Fabricia da Silva Lima
- Laboratório de Ecologia Aquática, Universidade Federal do Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
| | - Erlei Cassiano Keppeler
- Laboratório de Ecologia Aquática, Universidade Federal do Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
| | - Ricardo Massato Takemoto
- Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura, Laboratório de Ictioparasitologia, Universidade Estadual de Maringá, Maringá, Paraná, Brazil
| | | | - Dionatas Ulises de Oliveira Meneguetti
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia, Bionorte, Universidade Federal do Acre, Rio Branco, Acre, Brazil
- Laboratório de Medicina Tropical, Universidade Federal do Acre, Rio Branco, Acre, Brazil
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Duarte R, Dos Santos-Clapp MD, de Carvalho Brasil-Sato M. Metazoan endoparasites of Hoplias malabaricus (Bloch, 1794) (Actinopterygii: Erythrinidae) from upper and middle São Francisco river basin, Minas Gerais State, Brazil. Parasitol Res 2023; 122:645-659. [PMID: 36574009 DOI: 10.1007/s00436-022-07768-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 12/17/2022] [Indexed: 12/28/2022]
Abstract
The endoparasitic fauna of Hoplias malabaricus (which is a species of paramount importance in the fishing and human food sectors) from Três Marias reservoir, São Francisco river, and from eleven marginal lagoons in the upper and middle São Francisco river basin, Brazil, was herein recorded for the first time. In total, 13 endoparasite species belonging to ten different families were found in 147 analyzed H. malabaricus specimens. The identified taxa comprised individuals belonging to phyla Apicomplexa-Calyptosporidae-Caplyptospora sp. (oocysts); Platyhelminthes-Trematoda-Diplostomidae (metacercariae)-Austrodiplostomum sp. and Sphincterodiplostomum musculosum, Clinostomidae (metacercariae)-Clinostomum sp., Gorgoderidae (adults)-Phyllodistomum spatula, and Eucestoda-Proteocephalidae gen. sp. (plerocercoids larvae); and Nematoda-Anisakidae (larvae)-Contracaecum sp. Types 1 and 2 and Hysterothylacium sp., Gnathostomatidae (larvae)-Spiroxys sp., Camallanidae (juveniles/adults)-Procamallanus (Spirocamallanus) inopinatus, Guyanemidae (juveniles/adults)-Guyanema baudi, and Cystidicolidae (juveniles/adults)-Cystidicoloides fischeri. Proteocephalidae gen. sp. and Contracaecum sp. Type 1 were the species presenting expressive parasitic indexes in the reservoir, in the river, and in nine of the eleven lagoons. Cystidicoloides fischeri was recorded for the first time in H. malabaricus. Guyanema baudi and S. musculosum had their geographic distribution expanded to São Francisco river basin.
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Affiliation(s)
- Rayane Duarte
- Programa de Pós-Graduação Em Ciências Veterinárias, Instituto de Veterinária, Universidade Federal Rural Do Rio de Janeiro (UFRRJ), BR-465 Km 7, Seropédica, RJ, 23897-000, Brazil. .,Laboratório de Biologia E Ecologia de Parasitos, Departamento de Biologia Animal, Instituto de Ciências Biológicas E da Saúde, UFRRJ, BR-465 Km 7, Seropédica, RJ, 23897-000, Brazil.
| | - Michelle Daniele Dos Santos-Clapp
- Laboratório de Biologia E Ecologia de Parasitos, Departamento de Biologia Animal, Instituto de Ciências Biológicas E da Saúde, UFRRJ, BR-465 Km 7, Seropédica, RJ, 23897-000, Brazil
| | - Marilia de Carvalho Brasil-Sato
- Laboratório de Biologia E Ecologia de Parasitos, Departamento de Biologia Animal, Instituto de Ciências Biológicas E da Saúde, UFRRJ, BR-465 Km 7, Seropédica, RJ, 23897-000, Brazil
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Rosser TG, Woodyard ET, Mychajlonka MN, King DT, Griffin MJ, Gunn MA, López-Porras A. Ithyoclinostomum yamagutii n. sp. (Digenea: Clinostomidae) in the great blue heron Ardea herodias L. (Aves: Ardeidae) from Mississippi, USA. Syst Parasitol 2020; 97:69-82. [PMID: 31927705 DOI: 10.1007/s11230-019-09892-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 11/27/2019] [Indexed: 11/28/2022]
Abstract
With only six recognised genera, the family Clinostomidae Lühe, 1901 remains a global research interest of parasitologists and ecologists. Recent efforts have focused on providing molecular data to investigate species diversity, elucidate life-cycles, and make inferences on the group's evolutionary history. Of the clinostomid genera, the monotypic Ithyoclinostomum Witenberg, 1926 has remained more enigmatic compared to the commonly encountered Clinostomum Leidy, 1856. Recent morphological and molecular evidence from metacercariae suggests a second Ithyoclinostomum species may exist in freshwater cichlids in Central America and Mexico. In a recent survey of great blue herons Ardea herodias L. from commercial catfish production farms in Mississippi, USA, two specimens of an abnormally large (> 20 mm) clinostomid were encountered in the oesophagus of a single bird. These specimens were identified as an Ithyoclinostomum sp. morphologically distinct from the only nominal species Ithyoclinostomum dimorphum (Diesing, 1850). Using morphological and molecular data these adult specimens were confirmed as conspecific with the larval metacercariae previously described from Central America and Mexico and represent the novel species, Ithyoclinostomum yamagutii n. sp.
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Affiliation(s)
- Thomas G Rosser
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, 39762, USA.
| | - Ethan T Woodyard
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Meisha N Mychajlonka
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, 39762, USA
| | - D Tommy King
- Mississippi Field Station, National Wildlife Research Center, Wildlife Services, United States Department of Agriculture, Mississippi State, MS, 39762, USA
| | - Matt J Griffin
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, 39762, USA.,Thad Cochran National Warmwater Aquaculture Center, Aquatic Research & Diagnostic Laboratory, College of Veterinary Medicine, Delta Research and Extension Center, Mississippi State University, Stoneville, MS, 38776, USA
| | - Mackenzie A Gunn
- Department of Wildlife, Fisheries and Aquaculture, College of Forest Resources, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Adrián López-Porras
- Department of Wildlife, Fisheries and Aquaculture, College of Forest Resources, Mississippi State University, Mississippi State, MS, 39762, USA
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