Why Do Fish Have Scales?

Answer

Fish have scales because scales help protect a fish's body and make it comfortable for the fish to swim and move from side to side. In addition, scales help to protect the fish from predators especially if they are hard, sturdy, and slippery.
1 Additional Answer
Not all fish have scales. For the fish that do have them, their scales help protect their bodies. There are different types of scales, including ganoid and placoid. You can find more information here: http://australianmuseum.net.au/fish-scales
Q&A Related to "Why Do Fish Have Scales"
There are many different ways and tools you can use to scale a fish. The best way to do it is to first have a fish scalier or you can use a hunting knife which you can buy at any
http://answers.ask.com/Hobbies/Fishing_and_Hunting...
Cycloid scales are a bit like tree trunks. As they age, they form concentric circles. When held up to the sun, the light diffracted through these rings produces a slight iridescence-hence
http://www.ehow.com/about_5063644_fish-scales-used...
they overlap onto each other.
http://wiki.answers.com/Q/How_are_fishes_scales_ar...
1. Take the girth measurement. You need to measure the fish's girth by wrapping the measuring tape around the widest part of the fish. Take that measurement and square it. 2. Find
http://www.wikihow.com/Calculate-a-Fish's-Weight-W...
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Fish need scales because they protect them from their environment. The scales overlap like shingles on a roof so that the fish skin is not exposed. Most fish have ...
They make special tools to scale fish with but the easiest and the fastest way I have ever found to scale fish is to use a regular teaspoon. It is the perfect ...
They make some fish scalers that you can buy at Walmart but the best way I have found to scale a fish is with a teaspoon out of the kitchen drawer. It is the ...
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