Here's a general overview:
* Tropical fish: These fish thrive in warmer water temperatures, typically between 78-82°F (25-28°C). Some species may tolerate slightly lower or higher temperatures, so check the specific needs of your fish.
* Coldwater fish: These fish prefer cooler water temperatures, usually between 50-72°F (10-22°C). Common examples include goldfish, koi, and some types of minnows.
* Saltwater fish: The temperature range for saltwater fish varies depending on the species. However, most require temperatures between 72-78°F (22-25°C).
Important considerations:
* Use a reliable thermometer: Always monitor your tank's temperature using a reliable thermometer.
* Maintain stable temperatures: Avoid sudden temperature fluctuations, which can stress your fish.
* Adjust for the environment: Room temperature can affect your tank's temperature, so you may need to adjust your heater accordingly.
* Consult specific species needs: Research the exact temperature requirements of each fish species you keep in your tank.
Remember, accurate temperature control is crucial for the health and well-being of your fish. So, always research the specific needs of your fish and make sure your tank's temperature is suitable for them.