Aiming4 Goldfish Care

Staple Diet: Hikari Goldfish Pellets
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+7927+8009+4303&pcatid=4303
Should I get the "Lionhead" pellets because they sink to the bottom? Do orandas like to eat off the bottom of the tank or do they prefer the floating pellets? Which is better for them, floating or sinking pellets?
Supplement: San Francisco Bay Brand Goldfish Frozen Diet
http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=12809
And I’m not sure what else [...]

So we inherited some goldfish in a rubber?plastic? pond from the prior owner of the house we just bought. We’ve no idea what to do! And the fish have been there during the winter without food. We also removed all the leaves that were covering the water, and tried to get [...]