The Pudding Wife Wrasse, Halichoeres radiatus, is a shockingly beautiful wrasse covered in an electric blue sheen with stunning yellows is native to the Atlantic Ocean. The Pudding Wife Wrasse, like many other wrasses, is active and requires a tank with a tight lid to prevent escapes, as well as rocks and crannies to hide in.A sandy substrate is also a plus when keeping the Pudding Wife Wrasse.