Are you an aquatic animal fan, and you would like Aquatic Animal Plushies? If so you've come to the right place. For those who aren't sure an aquatic animal is any animal, invertebrate or vertebrate, that spends the majority or all of its life in water. Aquatic animals can breathe air or extract oxygen from water using specialised organs known as gills or directly through their skin. Natural environments and the animals that inhabit them are classified as aquatic (water) or terrestrial (land) (land).