Fish lives in water .Fish are cold blooded.They are covered with scales and fin.They are aquatic vertebrates.They have gills which help them to breathe.They lays egg in water.There are various kind of fishes and have different shapes and different colour.
i am a student of class 7. i love to write books especially related to science. i love science because it is informative.
I am a student of class 7. I love science because it is informative and interesting.