Do Zebrafish Need a Heater?

Zebrafish are very durable and can withstand an impressive range of water temperatures and conditions. They will generally do just fine without a water heater as they are comfortable at temperatures down to the low 60s F. Unlike most fish species, they are loyal to their breeding partner and mate for life.

Can zebrafish live in cold water?

Intrestingly, zebra danios will survive in a cold water fish tank hence they also make part of a small group of fish that can be maintained with goldfish. ... Even so, breeding zebrafish prefer a slightly higher temperature that is about 78°F.

Do zebra danios need a heater?

As a subtropical schooling fish species that thrive in aquariums with cool water you do not need a heater to keep Zebra Danios. They can be kept in aquariums with room temperature water as long as there are no violent fluctuations in the temperatures between day and night.