Osteichthyes are the group of bony fishes that are considered the largest group of vertebrates. They include marine and freshwater fish that has a streamlined body and the mouth is terminal. They have skin covered with cycloid, ctenoid, or genoid scales. They have four pairs of gills that are covered by an operculum on both sides. Most forms of these fishes are oviparous.Thus, the correct answer is (B).