Mostly because they have more bones than other fish, making them stonger which means they are able to adapt more easily to environments then the fish with less bones :)
There are bony fishes and cartilaginous fishes.
Many different bony fishes.
spawning and levebearing
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.
Both, bony fishes inhabit almost every body of water. They are found in tropical, temperate, and polar seas as well as virtually all fresh water environments. See attached link for more information.
it has denticles
Bony fishes have two sets of paired limbs.
Pizza?
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).
No, they are bony fishes.
Bony Fishes
Bony fishes.