to be able to live in salty water without the skin melding.
to reduce the friction by water while swiming
help the fish breathe
scales are found in the majority of bony fishes the arrangement of over lapping scales give the fish greater flexibility...:))
To beat the heat.
There are many ways in which scales assist a fish. The easiest one to explain and probably the most accurate to answer your question is that the scales are smooth and provide an aerodynamic facade, which helps them swim more efficiently.
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.
No you can not it fish scales.
Most fish are covered with 'scales'
Fish scales do not tessellate, they overlap. Like most scales do.
yes they do all fish have scales All fish do not have scales.
Yes, trumpet fish do have scales.
Fish Scales was born in 1976.
yes they do contain fish scales as well as bettle juce