Fish food will do. As the food breaks down ... You see, as these bacteria gobble up goldfish poop, they produce some waste of their own, and if it's not sufficiently diluted, it can kill your ...

The temporary habitat is heated with a waterfall, Shah said – but is not being sprinkled with fish food through the winter because goldfish “stop eating below 50 degrees [Fahrenheit].” ...

They found eight of the nine fish accurately remembered when to turn back to get their reward of food, without being prompted. Dr Cait Newport Two of the nine goldfish used in the experiment which ...