Where do you find the magu tapa in endless ocean Wii

The Magu Tapa shark is only found at The Ship's Rest at night only. I'll give you the place it is. First you need the Shark Tooth Necklace. The Pirate ship is at E-5,H-6,AND E-9 ONLY!!!! The cooridance to the Magu Tapa once you found the ship (if you don,t have it go to... forgot two things for this you have to dive alone 2 youhave too find a lot at the pirate and get fimiliar with the place. ok you have to go to on the map at theships rest ... H-3!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!