👉 The term "engystomatidae" refers to a group of animals that are characterized by their ability to produce and store amniotic eggs. These animals live in freshwater environments, such as rivers or lakes, where they lay their eggs in the nests of other aquatic organisms. The primary function of an engystomatid egg is to develop into a viable larva, which then emerges from the egg to become an adult fish. The larval stage of an engystomatid can last