Ichthyomys tweedii (Tweedy’s Crab-eating Rat)
Ichthyomys tweedii Anthony, 1921
Medium-sized species. The dorsum is bright grayish brown, sometimes with interspersed lighter-tipped hairs, which usually gives it a mottled appearance. There are two types of hair on the dorsum, which is particularly evident over the rump. One type is long, the guard hairs, somewhat thick and…
