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| Salminus maxillosus | |
|---|---|
| Name | Salminus maxillosus |
| Genus | Salminus |
| Species | maxillosus |
| Authority | (Steindachner, 1877) |
Salminus maxillosus is a freshwater characin fish described by Franz Steindachner in 1877 that inhabits South American river systems and is recognized for its predatory role and streamlined body adapted to lotic environments. Known historically in ichthyological surveys and faunal inventories conducted by institutions such as the British Museum (Natural History), the species has been cited in taxonomic revisions alongside genera treated by researchers at the American Museum of Natural History and the Museu de Zoologia da Universidade de São Paulo. Its placement within the order Characiformes situates it among several commercially and ecologically important South American taxa documented by field programs from the Smithsonian Institution and the Natural History Museum, London.
Salminus maxillosus was originally named by Franz Steindachner and later examined in revisions by ichthyologists affiliated with the Academia Brasileira de Ciências and the Pontifícia Universidade Católica do Rio Grande do Sul. Subsequent systematic treatments referenced comparative collections at the Museu Nacional (Brazil) and the Field Museum of Natural History, and phylogenetic analyses incorporated molecular datasets submitted to repositories managed by the National Center for Biotechnology Information and integrative studies published in journals associated with the Linnean Society of London and the Royal Society. Nomenclatural discussions have involved cataloguing efforts by the International Commission on Zoological Nomenclature and regional checklists compiled by the Instituto Nacional de Pesquisas da Amazônia.
The species exhibits the fusiform silhouette familiar from predators featured in monographs by the American Fisheries Society and trait compilations prepared by researchers at the Max Planck Institute and the Smithsonian Tropical Research Institute. Morphological descriptions compare characters with congeners included in keys produced by the Museu Paraense Emílio Goeldi and illustrated plates originating from the Natural History Museum, Vienna. Diagnostic features—such as dentition and fin morphology—have been recorded in expedition reports coordinated with teams from the Universidade Federal do Rio de Janeiro and the Universidade de São Paulo Faculty of Philosophy, Sciences and Letters (FFCLRP), and measured specimens are deposited in collections curated by the Museu de Zoologia da USP and the Coleção Científica do Instituto Butantan.
Records place Salminus maxillosus in river basins surveyed by expeditions supported by the Fundação Oswaldo Cruz and regional biodiversity inventories financed by the Ministry of the Environment (Brazil). Specimen localities appear in faunal lists produced during projects by the Programa de Conservação da Biodiversidade and collaborative fieldwork with the Universidade Federal de Mato Grosso. Habitats align with freshwater channels and floodplain rivers described in hydrological studies conducted by the Agência Nacional de Águas and ecological assessments commissioned by the World Wildlife Fund. Historical distributional data were incorporated into databases maintained by the Global Biodiversity Information Facility and national museums such as the Museu de Zoologia da USP.
Ecological notes parallel predator-prey dynamics discussed in syntheses authored by the International Union for Conservation of Nature and behavioral observations reported by teams at the State University of Maringá and the Universidade Estadual Paulista. Feeding ecology comparisons reference work by researchers attached to the Embrapa research network and diet analyses similar to those published by the Brazilian Journal of Biology. Seasonal movement patterns were noted in studies funded by the Conselho Nacional de Desenvolvimento Científico e Tecnológico and monitoring programs run by agencies like the Instituto Chico Mendes de Conservação da Biodiversidade.
Reproductive timing and spawning behavior have been inferred from regional ichthyology surveys undertaken by the Universidade Federal do Paraná and life-history syntheses prepared by authors affiliated with the Pontifícia Universidade Católica do Rio de Janeiro. Larval and juvenile descriptions correspond with collections catalogued at the Museu de Zoologia da USP and developmental studies reported in outlets associated with the Sociedade Brasileira de Ictiologia. Connectivity of breeding habitats appears in conservation planning documents drafted by the Ministry of Environment and Sustainable Development (Brazil) and regional fisheries assessments from the Secretaria do Meio Ambiente.
Population status assessments have been referenced in red-listing efforts coordinated by the IUCN Red List program and national evaluations by the Ministério do Meio Ambiente (Brazil). Threats include watershed modifications reported by the National Agency of Water and Basic Sanitation and habitat fragmentation linked to infrastructure projects overseen by the Agência Nacional de Energia Elétrica. Additional pressures are discussed in environmental impact statements prepared for projects by the Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis and conservation NGOs such as SOS Mata Atlântica and Conservation International.
Human use and fisheries interactions are documented in catch records maintained by the Brazilian Institute of Geography and Statistics and artisanal fisheries reports compiled by the Food and Agriculture Organization of the United Nations. Local market surveys by researchers at the Universidade Federal de Mato Grosso do Sul and socio-economic studies by the World Bank illustrate subsistence and recreational capture. Management measures referenced include regional regulations administered by the Ministry of Agriculture, Livestock and Supply (Brazil) and community-based initiatives supported by organizations like the Rainforest Alliance.
Category:Characiformes Category:Freshwater fish of South America