A goldfish uses smell to find their food whether they are in the wild, or an aquarium environment
Its mouth
Since they are not fed live food, their method of catching is swimming after food that may sink in the water
In the wild, this would be how they would eat. In an aquarium environment, they are primarily fed pellets or flakes, so they would not catch their food in the same way.
the name of goldfish food is goldfish flake food
they find it
Goldfish food is commercially available at most pet shops. But I believe you would be hard pressed to find a better food for goldfish than Earthworms.
They catch it.
In aquariums, they constantly skim the water surface and suck rocks to find bits of food that they missed when they were fed. In the wild, they typically nip on plants and eat insects. Goldfish are known to think that everything is food. Their lives are an endless search of food and they never get tired of food. A healthy goldfish can go for days without food.
Harp Seals find food by using their whiskers.
Goldfish will eat anything that is edible to them but feed them fish food, such as flakes and pellets. You can find them at your local pet shop, just ask them for it.
How do animal use ultrasonic sounds to find their way or to catch food
not if it is your pet. you have to go to the oet store for certain pet food for goldfish