HomeWhy do fish and other living things have different roles in the aquarium?Why are the functions performed by fish? Why do fish reproduce?How do fish reproduce? What is the structure of fish?
What is the structure of fish?
      Fish are aquatic animals. They are part of the aquarium ecosystem. Like all animals fish eat, breathe, reproduce, excrete waste and adapt to their environment. Different kinds of fish reproduce in different ways, and eat different kinds of food.