It helps them by making it easier for them to glide through the water. They can also move easier, without the risk of being cut, as if they had skin. The scales also help protect it, if it gets attacked.
the fishes have scales, to help and protect them from the predators.
fishes
scales or sometimes denticles
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.
scales or sometimes denticles
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.
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.
All fish have a body covering of scales.
Skin and perhaps in some fish scales.