Pariolius maldonadoi and Pariolius pax

New species: Pariolius maldonadoi and Pariolius pax

Pariolius maldonadoi and Pariolius pax, two new species of heptapterid catfishes are described from the Upper Orinoco and Upper Negro rivers in Colombia. Paywall – https://mapress.com/zt/article/view/zootaxa.5433.3.6 “Despite several ichthyological expeditions being carried out along the main rivers of the Colombian River and well-recorded Heptapteridae species in literature; Pariolius pax was found only in small creeks […]

Pimelodella guato

New species: Pimelodella guato

Pimelodella guato, a new species is described from rio Paraguai basin in Mato Grosso do Sul and Mato Grosso States, Brazil. This new species can be diagnosed from all congeners by several exclusive characteristics, not least the long maxillary barbels reaching at least the anal-fin terminus.

Chiloglanis carnatus

New species: Chiloglanis carnatus

Chiloglanis carnatus, a new species of riffle-dwelling catfish from the middle Zambezi River system, Zimbabwe is described. Results from this study add to the growing evidence of a high level of undocumented diversity within riffle-dwelling taxa in southern Africa. Open-access – https://zookeys.pensoft.net/article/114679/ The authors discuss the significance and implications of incomplete documentation of the diversity […]

Monotocheirodon duda

New species: Monotocheirodon duda

Monotocheirodon duda, a new characid species with remarkable sexual dimorphism is described from the upper Guayabero River, Orinoco basin, Colombia. Researchers putatively place this new species in π‘€π‘œπ‘›π‘œπ‘‘π‘œπ‘β„Žπ‘’π‘–π‘Ÿπ‘œπ‘‘π‘œπ‘› and discuss in depth the unique sexual dimorphic structures potentially linked to inseminating behaviour.

Serrasalmus magallanesi

New Species: Serrasalmus magallanesi

Serrasalmus magallanesi, a new species of piranha from the upper Madeira River basin in Bolivia is described. The authors note this new species has often been confused with Serrasalmus hollandi in literature previously. A key to Serrasalmus spp. from Bolivia is provided.

Bashimyzon cheni

New Species: Bashimyzon cheni

Researchers present Bashimyzon cheni, a new genus and species of sucker loach (Gastromyzontidae) from the You-Jiang of the Pearl River basin in Guangxi Province, South China. πΈπ‘Ÿπ‘Ÿπ‘œπ‘šπ‘¦π‘§π‘œπ‘› π‘‘π‘Žπ‘šπ‘–π‘›π‘”π‘ β„Žπ‘Žπ‘›π‘’π‘›π‘ π‘–π‘  is established as the type species for the new genus – π΅π‘Žπ‘ β„Žπ‘–π‘šπ‘¦π‘§π‘œπ‘› π‘‘π‘Žπ‘šπ‘–π‘›π‘”π‘ β„Žπ‘Žπ‘›π‘’π‘›π‘ π‘–π‘ .

The diversity of freshwater fish species from Lago Cocibolca

Publication: The diversity of freshwater fish species from Lago Cocibolca (Lake Nicaragua)

Researchers present a history of the diversity of freshwater fish species from Lago Cocibolca (Lake Nicaragua), describing the history of biological explorations in the lake from the first record in 1519 to the 52 species recognised in the lake currently, from bull sharks, sawfish to the 18 species of cichlids that inhabit this amazing lake.

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