The Panaque nigrolineatus group (subgenus Panaque) is revised; three nominal species—P. cochliodon, P. nigrolineatus, and P. suttonorum—are redescribed and three new species are described. Panaque ...
Karyotypic variability analysis can be complemented by the chromosomal localization of specific genes, such as the nucleolar organizing regions (NORs). In fish, the location of the 45S rDNA ...
A previously unknown species of climbing catfish has been discovered in remote Venezuela, and its strange traits are shaking the evolutionary tree for these fish. The newfound catfish, Lithogenes ...
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