The maximum speed a nicheling can swim is 8, but what if we make it higher. The Manta ray swims at 9 mph and at times have a burst of speed making them travel around 22 mph, making them pretty good swimmers. First the cephalic snout would be unlocked by swimming and fishing 50 times, with the effects being +2 fishing and +2 smelling (they have acute smelling). It would likely look like gills except scratch the gills and add two flipper like features at the front of the snout. Next the manta Body