Proper fish care involves maintaining a clean and safe environment for your fish. This includes regularly changing the water, using a suitable filtration system, and monitoring water parameters like temperature, pH, and ammonia levels. It's essential to choose the right tank size and provide adequate space for your fish to swim and thrive. Feeding your fish a balanced diet is also crucial. Different species have specific dietary needs, so it's important to research the appropriate food for your fish. Additionally, avoid overfeeding, as this can lead to water quality issues. Regularly observe your fish for signs of stress or illness to ensure their well-being.