There are bony fishes and cartilaginous fishes.
it has denticles
cartilaginous fishes have lamelliform gills. bony fishes have filiform gills.
Lateral Line
A bony skeleton. Snappers are a member of the taxonomic group Osteichthyes (bony fish), as opposed to cartilaginous fishes (like sharks) or boneless fishes (like hagfish).
Jawless fish, cartilaginous fish, and bony fish.
Bony fishes use the swim bladder to help control and maintain their buoyancy. These are internally gas-filled organs which helps contribute the ability to stay at current water depth without wasting energy in swimming.
skin type
Of or belonging to the Teleostei or Teleostomi, a large group of fishes with bony skeletons, including most common fishes. The teleosts are distinct from the cartilaginous fishes such as sharks, rays, and skates
Sharks and Rays belong to the class Chondrichthyes, the cartilaginous or non-bony fishes.
Placoid scales are found in cartilaginous fishes and can be dermal or mesodermal in origin whereas cycloid scales are the bony scales found in bony fishes that are always mesodermal in origin.
Lizards are not bony or cartilaginous fish, they are reptiles.