Neusticomys

Neusticomys is a living in northern South America rodent genus from the group of rats fish within the New world. It includes five types.

The body length is 10 to 13 centimeters, added 9 to 11 inches cock. The fur is soft, it is colored brown in the type N. monticolus gray black and in the other species.

The animals of this genus live in northern South America, their range extends from Colombia, Ecuador and Peru over Venezuela to French Guiana and northern Brazil.

Neusticomys has much smaller adjustments to the amphibious life than the other species of fish rats. Although they live near rivers and streams, but show some anatomical features that are reminiscent of land-dwelling mice: The outer ears are clearly visible and not hidden in the fur; the hind feet are not broadened and not webbed; In addition, the streamline shape of the body is less pronounced. For this show the sharp incisors the perfect adaptation to the insectivorous diet.

The following five types are distinguished:

• Neusticomys monticolus is located in western Colombia and northern Ecuador.
• Neusticomys Mussoi is only known from one location in western Venezuela.
• Neusticomys oyapocki lives in French Guiana and northeastern Brazil.
• Neusticomys peruviensis is only known from two locations in eastern Peru.
• Neusticomys venezuelae inhabits the eastern and southern Venezuela and Guyana.

N. monticolus Only is a common type; the other four species are known from very few specimens of species about which we know little. These four species are listed by the IUCN as endangered ( endangered ).