2022
DOI: 10.1590/1676-0611-bn-2021-1244
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Abstract: The Amazon River basin hosts the most diverse freshwater ichthyofauna in the world, and yet huge areas of the basin remain unexplored. This is the case for the upper tributaries of the rio Negro, especially those draining the Colombian territory. Here we present a list of 224 species derived from the examination of specimens collected in the Mitú region (Vaupés Department, Colombia), the middle basin of the río Vaupés. Of the species identified in our study, 10 species are recorded from Colombia for the first … Show more

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“…Short‐distance fish migrants and residents (<500 km) form a large group of generally small species (<20 cm) that may be abundant from the mainstem to the upper courses of tributaries (Bogotá‐Gregory et al, 2022; Duponchelle et al, 2021) where they overlap somehow with long‐distance migratory species or even in small upland forest streams (Beltrão et al, 2019). However, with some local exceptions, their migrations are poorly understood as they are not commonly captured by commercial fishing.…”
Section: Introductionmentioning
confidence: 99%
“…Short‐distance fish migrants and residents (<500 km) form a large group of generally small species (<20 cm) that may be abundant from the mainstem to the upper courses of tributaries (Bogotá‐Gregory et al, 2022; Duponchelle et al, 2021) where they overlap somehow with long‐distance migratory species or even in small upland forest streams (Beltrão et al, 2019). However, with some local exceptions, their migrations are poorly understood as they are not commonly captured by commercial fishing.…”
Section: Introductionmentioning
confidence: 99%