👉 The term "Tettigonioidea" is a genus in the family Tettigonidae, which belongs to the class Tettigoni. This group includes small fish, including eels and other tetrangrigons. These fish are characterized by their slender body structure, with long, flexible tails that help them swim through water. They have a wide range of sizes from small to large, ranging in length from 0.5 to 2 meters (18 to
