Goldfish on their own kept properly do require lots of space, and common goldfish, comets and shubunkins cannot be kept with fancy goldfish. Additionally, some types of fancy goldfish such as orandas, black moors and fantails, shouldn’t be kept with other fancy types like ranchus. The reasoning ...
NOOO!!!! never put a tropical fish in a tank with gold fish. especially bettas!. Males are very aggressive and may attack the goldfish. Females tend to be a bit more friendly but some gold fish ...
Goldfish are often chosen by aquarium enthusiasts who want to keep a school of fish. However, you must select goldfish tank mates carefully to avoid potential problems. Though not all non-aggressive fish are suitable to dwell with goldfish, choosing the right species will help you create a harmonious aquatic community.
Both fish species require ample space. Angelfish require at least four gallons of water per fish, and goldfish need five to 10 gallons of water per fish. Because goldfish can grow quite large, adult goldfish might need 20 to 30 gallons per adult fish. Housing the fish together could result in overcrowding.
Go through at least one fish-less cycle before introducing your goldfish. A fish-less cycle involves adding ammonia to a tank and keeping track of the nitrate levels to make sure the water is safe for your goldfish to live in. Sadly, many fish die once introduced into a new tank because of ammonia and nitrate poisoning.
Some hobbyists choose to put their goldfish in the same tank as tropical fish. This is not recommended and should be handled on a case-by-case basis. Some tropical fish have temperature and eating requirements that are close to that of a goldfish, but would still require the goldfish to live in a warmer-than-preferred water temperature.
Goldfish are non-aggressive fish, so putting other peaceful fish with them is fine. Guppies are warm-water fish but if your tank does not drop below 18 degrees Celsius (even at night in winter) then you can put them in, White Cloud Mountain minnows, Bronze shrubs, Shibunkins and Fantails (fancy goldfish).
It’s possible to find a suitable tank mate for a goldfish but you can’t just add any species!. There are a few very important things to keep in mind. First, any fish added to the tank has to thrive in the same environment as the goldfish, most notably in water temperatures of 65ºF to 75ºF.
I think it would be fine as long as the betta isn't too aggressive, mine are. I put a variety of fish in with my bettas when I was young. If the goldfish is strong I doubt the betta would actually pick a fight.
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