👉 A term that describes a group of related animals, often used to describe the structure or features in which a certain type of vertebrate is found. In this case, "gasterosteus" refers to a specific type of animal called gasterosteus fish. Gasterosteus is a family of marine fish that includes several species of sharks and rays. These animals have a unique set of teeth and jaws that are adapted for their feeding habits. Gasterosteus sharks are particularly well-known