Should you put a heater in a goldfish tank?
Unlike tropical fish, goldfish do not need warm water temperatures to thrive. The best way to ensure the temperature stays steady despite exterior temperature changes is to use a tank heater. If you wish to breed your goldfish then you will need to mimic the temperature changes that occur through the seasons.
What temperature can fancy goldfish tolerate?
68° to 74° F
Considered cold water fish, goldfish can also be kept in heated aquariums. The optimum temperature for fancy goldfish is 68° to 74° F, while comets and shubunkins should be kept between 60° and 70°F. pH is not critical, but ideally should be between 7.0 and 8.4.
What do fancy goldfish like in their tank?
Goldfish like plants, variety in their food, a large, clean tank with a stress-free environment, lots of oxygen in their tank, nice cold soft water, other Goldfish as mates and some decorations in their tank.
Will a heater hurt a goldfish?
As it turns out, water temperature affects fish in very dramatic ways. Raising temperatures has the opposite effect and past 75-80℉ heat can even be harmful to them. The warmer your Goldfish get, the faster their metabolisms kick in. They need to eat more, poop more, and grow faster as a result.
How hot is too hot for goldfish?
What water temp is too hot for goldfish? Your goldfish will become very stressed if kept in water that is warmer than 27°C / 80°F. Avoid placing your tank in direct sunlight or near radiators so that your water temperature stays below this level.
How can you tell if a goldfish is happy?
Signs of a Happy Goldfish Your goldfish should be swimming constantly and not floating, bobbing or sinking. They should eat regularly and eliminate their waste frequently. Provide some variety in your fish’s diet. Pellets everyday can become boring.
What size tank do I need for 2 fancy goldfish?
Based on the rules above, the goldfish tank size we recommend for two goldfish is: 42 gallons for two Common goldfish. That’s 30 gallons for the first fish and 12 additional gallons for the second fish. 30 gallons for two fancy goldfish.
What fish dont need heaters?
10 Best Coldwater Fish That Don’t Need a Heater
- Sunset Variatus Platy.
- Celestial Pearl Danio.
- Rainbow Shiner.
- Hillstream Loach.
- Endler’s Livebearer.
- Clown Killifish.
- Cherry Shrimp.
- Dojo Loach.
Is it better to have 1 or 2 goldfish?
Keeping at least two goldfish in an aquarium is recommended to provide companionship and promote activity. Solitary fish can exhibit depression and lethargy. Goldfish are generally not aggressive so they can be kept with most community fish provided the other fish are larger than the size of the goldfish’s mouth.