My son is currently obsessed with Pokemon. Today he started talking about a Pokemon called MANTYKE.
I looked it up in his book, and it said
"Mantyke gracefully glide through the ocean, and they can sometimes be seen jumping into the air as high as 10 metres. Mantyke are very intelligent and they like humans. They prefer to swim in schools, leaving trails of bubbles behind their side fins as they cut through the water."
Seems like an ideal name for your boat !