Gravel isn't generally fundamental, however, some fish are scavengers and eat food off the sand at the base of their normal habitat, so they would require gravel. The gravel likewise shields the base from looking excessively gross and helps conceal a portion of the fish food and fish "squander" between cleanings. The individuals where you get your pet supplies ought to have the option to mention to you what you'll require.
Fish need a particular temperature range to flourish, and you should keep up it inside that run for them. It bodes well to put resources into a thermometer so you can keep conditions perfect for them. You can discover styles that adhere to the side of the tank or hang or buoy in the water. Probably the most ideal approach to control temperature is to put resources into a heater. On the off chance that you have a fish tank rather than a fishbowl, you'll need a water filter. Keeping the fish water clear will broaden your fish's life. In littler systems, the water filter and pump will meet up. The water pump circles the water through the filter including air bubbles that keep the water circulated air through and forestalls water stagnation. Make sure to look up aquatic supplies online sources.