The waves will guide you (слэш)

Two beautiful brown eyes stared at him while he stared at the shaking form of an equally beautiful boy. Well it was half of a boy; the other half was of a fish. A mermaid?
The boy’s tail was bright red but when the dim light of the yacht hit the scales just right the shimmered blue, how was that even possible?
Tony wants to spend a nice evening on his yacht when he makes an quite the catch.