by Mike Wise » Mon Sep 29, 2008 2:00 pm
L. sp. Buckelkopf is found in the middle reaches of the Tapajós, Xingu, & Tocantins river systems. It is also found at the mouth of the Amazon on the Ilha de Marajó. L. curviceps replaces Buckelkopf in the lower parts of these rivers (among other locations).