Water mouse

Water mouse can refer to several types of not closely related semiaquatic rodents of superfamily Muroidea:
 * Chibchanomys, two cricetid species from western South America;
 * Las Cajas water mouse (C. orcesi)
 * Chibchan water mouse (C. trichotis)
 * Ethiopian water mouse or Ethiopian amphibious rat (Nilopegamys plumbeus), a murid;
 * Rheomys, four cricetid species from Central America and Mexico;
 * Mexican water mouse (R. mexicanus)
 * Goldman's water mouse (R. raptor)
 * Thomas's water mouse (R. thomasi)
 * Underwood's water mouse (R. underwoodi)
 * Xeromys myoides, a rodent native to Australia and Papua New Guinea