Tropical fish, for example, do best between 75° and 80°F, goldfish and other “cold-water” species prefer temperatures below 70°F, and temperate fish can be found in habitats that overlap tropical and cold-water realms.
Is 70 degrees too cold for a fish tank?
Cool water fish do better in temperatures below that, usually between 60° and 75°F (15-24°C), but some of them enjoy water well below 70°F, which is not suitable for any tropical fish. Ultimately the best temperature will depend on the species of fish in the aquarium.
What fish can live in 70 degree water?
1. White Cloud Mountain Minnow (Tanichthys albonubes) These fishes are easy to maintain especially for beginner aquarists. They prefer to thrive in an environment where the temperature is 60-70 degrees Fahrenheit.
Can tropical fish live in 72 degrees?
Freshwater tropical aquariums should be kept at approximately 77 degrees Fahrenheit for optimal fish health. Although tropical fish can survive in water ranging from 73 to 82 degrees Fahrenheit, it is best to hover around the 77 degree mark if you have a variety of freshwater tropical fish species in one tank.
What temperature is bad for tropical fish?
If the water temperature in your tank gets higher than 90°F(32°C), your fish may be in danger of dying. Their inability to get sufficient oxygen from the water they live in causes death by suffocation.
Is 73 degrees OK for tropical fish?
All fish have an ideal temperature range where they will thrive. Yes, I said range – in most cases, your fish do not need an exact aquarium temperature. … In fact, freshwater fish can experience daily temperature swings of 30°F or more. Even in the reef environment, the daily temperature swings from 68-90°F (20-32°C).
What temperature should a tropical fish tank be for Tetras?
For most tetras, pH should be between 6.8 and 7.8, alkalinity between 3° and 8° dkH (50 ppm to 140 ppm) and temperature between 75° and 80° F. If the aquarium is kept in rooms below 75°, use an Aqueon Aquarium Heater to maintain the correct temperature. Exceptions like the Buenos Aires tetra do better in cooler water.
What tropical fish can tolerate cold water?
Outside of the goldfish and the guppy, the zebra danio (Brachydanio rerio) is the most readily available of all the cold-water fish. Native to South Asia, they tolerate temps that fall into the mid-60’s and are very easy to care for. Long-finned species are available, as well as a popular leopard-spotted variety.
What tropical fish can live in cold water?
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.
Will tropical fish survive without a heater?
Tropical fish require a heater in their tank to maintain their water at the appropriate temperature. … Left alone, the aquarium water temperature will eventually match the surrounding air temperature. That means if it is 78 degrees in your house, your tank with eventually match that 78 degrees.
Can you mix cold water and tropical fish?
1 – They shouldn’t be mixed
You’ll have to decide whether you want cold water or tropical species in your tank – never try to have a mixture of both unless you’ve already got good experience of caring for fish.
Should my tropical fish tank feel warm?
Generally it should feel warm, yes.
What temp should I keep my aquarium?
A good range is 76° to 80°F (25° to 27°C). A few species need to be kept several degrees warmer, and some species require temperatures a few degrees cooler. A thermometer is vital. A stick-on type enables you to check the temperature whenever you look at the aquarium.
How long can tropical fish live in cold water?
Platies and swordtails are OK down to about 55 F , 12 C . Mollies danios and paradise fish Ok to about 50 F, 10 C. But they don’t do well at these low temperatures . They survive for over about 3 months ( winter) at the low temperatures.
How cold can fish live in water?
This is why ice floats, and why lakes freeze from the surface down rather than from the bottom up. The water under the ice, freshly re-oxygenated from the fall turnover, remains at 4 degrees Celsius all winter long, allowing fish and other aquatic life to survive until the spring thaw.
Why are my tropical fish dying?
Stress: Stress is the number-one killer of aquarium fish. … Poor Water Conditions: When the water goes bad, fish start to die. Overfeeding: This one is easy to get wrong, but so important to get right. Bad Tank Management Practices: Perform water changes, clean the gravel and manage algae if you want your fish to thrive.