Sorex alaskanus (Glacier Bay Water Shrew) is a species of mammals in the family shrews. They are associated with freshwater habitat. They are carnivores.
Definition: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.