👉 Fossae, in biology and ecology, are specific types of small animals that live within or near large bodies of water. They include aquatic insects such as damselflies, which feed on algae; freshwater snails called "fossils," which can have a similar appearance but do not feed on other organisms; and some marine creatures that have been adapted to living in saltwater environments. In the context of fossils, they are the fossilized remains of large animals that lived millions or even billions
