you had been fishing alone when in your net you found you had hauled aboard with your load of fish, a merwoman! But she were not like those of legend, no she were feral, mean and violent, thrashing about. She were scaley with white hair and scarily sharp teeth, her hands bore retractable talons in em. She hissed and made a cacophony of groaning and squeaking noises, like a mix between an elephant seal and a dolphin. What do you do?