Number of Piece: 6
A child’s height is about 30 times of an adult butterflyfish.
- Among the vertabrates, fish constitue the largest population.
- Fish brought up to the sea by hurricanes and tornadoes fall from the sky like rain. This phenomena is called fish rain.
- The research shows that there are more than 40.000 species of fish.
- The fish breath by using oxygen in the water. Because their mouth open and close constantly. They do not swallow water breating.
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