Fish

   Today we start studying fishes. The main characteristics of fishes are:

1. They are vertebrates.
2. They are oviparous, they are born from eggs.
3. They have scales.
4. They breathe with gills.
5. They can be carnivores (eat other animals or meat), herbivores (eat plants) or omnivores (eat both).
6. They have fins.
7. They live in the water so they can swim.