A new species of hystricognath rodent, a spiny rat (Echimyidae) with dense, soft fur.

A new species of spiny rat from Brazil.

Small spiny rat may refer to several different rat species:

The species of spiny rats in the genus Trinomys are apparently all Brazilian.

It is a species of spiny rat.

With a total length of ca. 30 cm (12 in), it is a relatively large species of spiny rat.

Unlike lizards, however, the tail of spiny rats does not regenerate.

In general form, most spiny rats resemble rats, although they are more closely related to guinea pigs and chinchillas.

This action may confuse predators long enough for the spiny rat to escape.

Most spiny rats are rare and poorly known, but a few are extremely abundant.