to be able to live in salty water without the skin melding.
scales are found in the majority of bony fishes the arrangement of over lapping scales give the fish greater flexibility...:))
fishes
scales or sometimes denticles
Scales are the fishes protection and they serve the same/similar purposes as fur or hair in mammals. The fins are used for balance, propulsion/locomotion and display as are the limbs in mammals
Correct
A fishes scales do exactly the same job for a fish as your skin does for you and works in the same way. It is simply the barrier between all things on the outside and all things on the inside that constitute you.
the fishes have scales, to help and protect them from the predators.
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.
scales or sometimes denticles
No. they aren't scales. if they were, we would need to take them off.
Fish, reptiles, butterflies, and moths are the only animals currently known to have scales.
King fish is considered to be kosher. Kosher fishes are those that have fins and scales.