👉 Trunkfishes are a group of small, often spiny fish that inhabit shallow waters and rivers in coastal areas. They have a thick, flexible body with tentacles attached to their bodies for swimming. The main distinguishing feature between trunkfishes is their size, which can range from a few inches to several feet long. These creatures are known for their unique feeding habits, as they feed on small fish, crustaceans, and other invertebrates.