I have had a GT 4.5" for about 3 weeks now and he refuses to eat pellets. All the other fish eat the veraciously, but he doesn't seem interested, he will eat frozen foods, but i need to get him on pellets. he waits for the other fish to get the pellets then crush them in their throats and he eats the little crumbs and picks at algae. How can i get him on to pellets, this is getting kinda annoying.