what am I?

Written by Lizzy not online just email me

ok so idk what i am and ..im just wierd... i swim wierd .... funny things happen when i sing.. i get wierd dreams... i get hyper when the suns down and i get a longing for blood.... also i have wird fang-like teeth..... please help!... i mean i feel more.... fish? but i have physical .... non human abilitys ig... hard to exsplain....please help