What is the importance of fins in fish?

Explanation

**Step-by-Step Solution:**

1. **Types of Fins**: Fish have different types of fins, including tail fins and lateral fins. Tail fins are singular and located at the back, while lateral fins are paired and located on the sides of the fish.

2. **Function of Tail Fins**: The tail fin is crucial for swimming. It moves in an S-shaped motion which propels the fish forward in the water. This movement allows fish to navigate through their aquatic environment effectively.

3. **Function of Lateral Fins**: The lateral fins help fish maintain balance and stability while swimming. They also assist in steering, allowing fish to change direction quickly and efficiently.

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