Fish, weasels, water shrews, and garter snakes are a few of their predators.
Predators include the water shrew and the dipper, a bird that can go underwater to feed.
Some water shrews feed on relatively large fish or newts, so it is important for them to immobilise their prey rapidly.
The Asiatic water shrews are the members of the genus Chimarrogale.
Mammals include deer, yellow-necked mouse, water shrew and dormouse.
In addition to black bear, porcupine, snowshoe hare and a wide variety of birds, the rare northern water shrew has been documented here.
Owing to small hairs on its feet, the water shrew can run across the water.
He tested water shrews, which are known to swim for their prey.
In the scent trail test, he found, the water shrews scored about as well as the star-nosed moles.
The rich fresh water streams contain brown trout, Atlantic salmon and water shrew.