Scales and Hair - There's No Way!

=======Report of Deceased Mermaid=============
In 1931 on the Scottish island of Benbecula, a dead mermaid was found and buried near the shore by the sheriff. "The upper part of the creature was about the size of a wellfed child of three or four years of age, with an abnormally developed breast." She had long dark hair and white skin. "The lower part of the body was like a salmon, but without scales."
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Drawings of mermaids depict beautiful women with long hair and and tails of green scales, however, biology laws state it would be impossible for one to be both a mammal and a fish; to have both scales and hair.

Some imagists have decided this to be true and solved this little problem by drawing mermaids with blubber type tails; like that of dolphins or whales.

So if this thought becomes plausible, then possibly there were & are mermaids. Perhaps on an evolutionary scale we could be said to be derived from these people of the sea. Or Visa Versa, perhaps, in order to survive people took to the sea and as evolution shows, the human body adapted in shape and form to sea life. If you can imagine then what a true mermaid may look like.... Perhaps they do have hair, maybe it's more like a mane. Seals have whiskers don't they?? Mermaid females would still have breasts because they would still need to feed thier young. What would their noses look like? Would they have adapted and no longer needed oxygen, or perhaps they are just able to hold their breath for long periods of time?

People question why haven't we seen them? For one thing the Sea is a huge place, many fish species they have existed for hundreds or thousands of years are just now being discovered. Plus mermaids have human intelligence and they are cautious and avoid boats and "people".