Genus Hyemoschus is a small group of mammals that are commonly known as water chevrotains. These animals have many distinct features, including their small size, unique facial markings, and webbed toes that allow them to swim with ease. While "Genus Hyemoschus" is the scientific name for this group of animals, there are also several synonyms that are often used to refer to them. Some of these synonyms include "water deer," "marsh chevrotains," and "mouse deer." Regardless of which term is used, it's clear that this group of animals is both fascinating and well-adapted to their aquatic habitats.