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Two new ornamental loricariid catfishes of Baryancistrus from rio Xingu drainage (Siluriformes: Hypostominae) Neotropical Ichthyology
Py-Daniel,Lúcia Rapp; Zuanon,Jansen; Oliveira,Renildo Ribeiro de.
Two new species of the hypostomine genus Baryancistrus are described from the rio Xingu drainage. Baryancistrus xanthellus is distinguished from all other Baryancistrus species by the presence of yellow spots along the entire body and conspicuous yellow marks on distal tip of dorsal and caudal fins. Baryancistrus chrysolomus is distinguished from its congeners by its uniform dark body coloration and presence of yellow bands on dorsal and caudal fins. Despite the lack of formal description, these species are very popular in the international aquarium trade. We expect that these formal descriptions might contribute to the improvement of Brazilian regulations in the international trade of ornamental loricariids.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon fishes; Aquarium trade; Belo Monte; Taxonomy.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200001
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Small size today, aquarium dumping tomorrow: sales of juvenile non-native large fish as an important threat in Brazil Neotropical Ichthyology
Magalhães,André L. B.; Orsi,Mário Luis; Pelicice,Fernando M.; Azevedo-Santos,Valter M.; Vitule,Jean R. S.; P. Lima-Junior,Dilermando; Brito,Marcelo F. G..
ABSTRACT Informal sales of large-bodied non-native aquarium fishes (known as “tankbusters”) is increasing among Brazilian hobbyists. In this study, we surveyed this non-regulated trade on Facebook® from May 2012 to September 2016, systematically collecting information about the fishes available for trading: species, family, common/scientific names, native range, juvenile length, behavior, number of specimens available in five geographical regions from Brazil. We also assessed the invasion risk of the most frequently sold species using the Fish Invasiveness Screening Test (FIST). We found 93 taxa belonging to 35 families. Cichlidae was the dominant family, and most species were native to South America. All species are sold at very small sizes (< 10.0...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquarium releases; Aquarium trade; Biological invasions; Invasiveness; Propagule pressure.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000400207
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Water acidification causes death of marine ornamental fish (Perciformes: Pomacentridae) during transport: contributing to the conservation of wild populations Rev. Bras. Zool.
Sampaio,Flavia D.F.; Silva-de-Assis,Helena C.; Bettim,Franciele L.; Fávaro,Luís F.; Freire,Carolina A..
ABSTRACT Pomacentridae is a common family in the aquarium fish trade. Most species are harvested from nature. Here we evaluate the following water parameters in the pomacentrid sergeant major, Abudefduf saxatilis (Linnaeus, 1758), to assess their stress level during a 24, 48, and 72 hours transport: dissolved oxygen (DO), total ammonia, and pH. In addition, we evaluated the following physiological parameters: plasma osmolality, muscle water content, blood glucose, and the enzyme activities of the branchial carbonic anhydrase (CA), the hepatic glutathione S-transferase (GST), catalase (CAT), and superoxide dismutase (SOD). The mortality of fish measuring >6 cm total length was 22%, while no mortality was observed for fish measuring <6 cm. The pH of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ammonia; Aquarium trade; Carbon dioxide; Fish conservation; PH.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100306
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