Au: This is an AU. Voldemort did not come back after killing Lily and James. Harry lives with Sirius and Remus and carried his mother's inheritance. He now has full control over it. Draco came into his inheritance at age 10.

Draco Malfoy wasn't always wary around water. When he was younger, he loved water. He would swim in the Malfoy's pool nearly three times a week. Well that was until he turned 10.

_Flashback_

A 10 year old Draco ran towards the deep end of the pool he'd become so used to. His short blond curly hair bounced as he ran. He jumped into the pool and his laugh could be heard around the glass room. Then it changed into a panicked shout.

'Muuuuuum! Daaad!'

Draco's silver eyes were panicked and tears were leaking out of them. He was crying and thrashing around in the water. The Malfoy parents came running in as fast as they could and skidded to a halt when they set eyes on their young son. Draco was getting tangled in something long and gold and he had a strange sensation where his waist stopped.

What the Malfoy senior's saw was not Draco as they knew him. This Draco did not have short blond curly hair. He had long gold and blond hair that fell freely down to his hips. His legs were not there. Instead there was a silvery blue tail with fins on the end. His scales shone silver under the water and down the left side of his pretty little face was what appeared to be a silver tribal tattoo. All in all, their son was beautiful. But he was crying.

'What's happening to me mum? Am I dying? Why can't I feel anything? Where are my legs?' he wailed with new and refreshed tears.

Narcissa bent forward towards her son and helped him get out of the pool. She hugged him close and rocked him lightly whispering that it was all going to be okay. When he had slowly calmed himself down to just sobbing quietly he looked towards his father. Lucius Malfoy was known to be a harsh and stern man. Anything less than perfect was not acceptable for him. And yet when Draco looked towards him, expecting to see his disappointment, all he saw was a soft smile. He looked questioningly at his father.

'Dragon my son, do not worry. You are not dying' he explained softly. The sudden sound of his father speaking to him had made Draco jump in fright. 'Your legs are still there. They have just fused together to form your tail'

'Oh yes, sorry I forgot about that. Except, I don't usually have a tail!' Draco shouted at his father. Lucius shot him a warning look and he sullenly apologised and leant into his mother's side.

His father began speaking quietly again. 'You, my son, have just gone through your inheritance. You get it from my side of the family and it is a gift. We're not fully human son.'

'What are we then father?'

'We are Merfolk Draco'

'Mermaids?' Draco shouted. Lucius chuckled.

'No Dragon, Mermen. We can sing like mermaids can and use our beauty to enhance our chances with others. That and the physical change is really all that changes. You will learn to control your tail and the hair growth with time, I know I have' Lucius said whilst chuckling.

This helped put Draco's mind at ease. It took another hour for his tail and hair to go back to legs and short hair. From then on, he spent the rest of the summer researching his inheritance. When he went for his first year at Hogwarts, he was fully in control of his powers, both mer and wizard.

_End Flashback_

From that day on, Draco avoided the water and was only in it for as long as he needed to be. If he was in it too long, his tail would start to show and that wasn't what he needed. It was now a few months after his 16th birthday. He'd grown into a handsome young man who stood at 6 foot 2 and he wore his hair to his shoulders, tied back with ribbon.