From lower parts of the Rio Xingu we received very high-contrasted Hypancistrus spec. Xingu. In their appearance they arrange between L 333 and fishes of the L 66 group. But they are clearly more flattened and stretched than L 333. From L 66 and their relatives (e.g. L 236) they can be distinguished by the […]

From the Rio Jamanxim (Brazil) comes one of the most attractive members of the genus Peckoltia. L 134 is very variably marked: as well as individuals with stripes there are also specimens with large round spots on the body. It is not known whether this difference in colouration denotes sex, but in at least one […]