Distribution and Habitat
Unlike many other members of Ancistrini, the ranges of most of the Lasiancistrus species are quite broad. Lasiancistrus species are found throughout the Amazon River basin, the upper and middle of the Orinoco River basin, the Rupununi River basin (Essequibo River drainage), the Lake Maracaibo drainage, and drainages west of the Andes in Colombia and Panama to the Bayano River.
The species of Lasiancistrus are most commonly found in small creeks, typically in swift flow. However, some of the streams where Lasiancistrus can be found are in the lowlands, and hypoxia has been observed in one such stream, suggesting that lowlands are not a barrier to the movement of these species. Lasiancistrus are most common in lower piedmont streams and are more likely to spread between rivers this way rather than through the lowlands.
Read more about this topic: Lasiancistrus
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