Gyanvani

The Fish A fish has an air bladder in its stomach. It is full of air and a fish can swim or float with its help. A fish swims as fast as a good racer. Its speed is about five hundred meters in a minute.                 A fish takes oxygen from water. One can see some beautiful orange, black and golden fish in an aquarium. Goldfish can be seen in the pond. They shine a bright as gold.                 A fish takes water into its mouth and throws it out again. It takes oxygen from the water before throwing it out.                 If we with a goldfish closely, we will see that its body is like a boat. It swims with the help of its fins.                 A female fish lays a large nu...