
What does temperature do tropical fish need?
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. Fish are cold-blooded – aka ectothermic or poikilothermic – animals, meaning they cannot control their body temperature.
What is the highest temperature for tropical fish?
Tropical fish tanks should be kept at a temperature between 26-27 degrees Celsius (79-81 degrees Fahrenheit). Although this temperature range is not set in stone, it covers the most tropical fish at a comfortable temperature, regardless of the fact that it is not set in stone.
Do tropical fish really need a heater to survive?
To maintain the appropriate temperature in their tank, tropical fish need a heater. Tropical aquariums typically range in temperature from 75 to 80 degrees Fahrenheit. The betta fish are tropical fish, and they require heaters as well. Cold-water species are the only exception to this rule.
What does temperature do tropical fish prefer?
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. Fish are cold-blooded – aka ectothermic or poikilothermic – animals, meaning they cannot control their body temperature.

How to keep a temperature in a freshwater aquarium?
There are a few ways to keep track of the water temperature in your freshwater aquarium. Floating thermometers roam the tank, giving a constant reading. Adhesive thermometers can be placed on the glass front of the aquarium for easy reading. Submersible thermometers may be suction cupped to the interior glass wall of the fish tank. Make sure the thermometer is not placed in an area that may be affected by sunlight. If the thermometer is warmed by the sun on a daily basis, you won't get accurate water temperature results. Avoid placing an aquarium near a window or door, where drafts may also affect the water temperature.
Where to put thermometer in aquarium?
Adhesive thermometers can be placed on the glass front of the aquarium for easy reading. Submersible thermometers may be suction cupped to the interior glass wall of the fish tank. Make sure the thermometer is not placed in an area that may be affected by sunlight.
What degree did Tague have?
Tague graduated from the University of Iowa with a bachelor's degree in journalism and mass communications in 1999. Cuteness may earn compensation through affiliate links in this story. So you've started a freshwater tropical fish aquarium.
What happens if you get too much sunlight in a fish tank?
The excessive exposure to sunlight will increase the amount of algae growth in the fish tank. Also, the sun cannot be regulated, and the water may get too warm, too quickly, and kill the fish or plants inside. Advertisement.
Can you keep aquarium water warm?
Keeping your aquarium water warm enough for fresh water tropical fish is not difficult. The use of a special aquarium heater, that is submerged into the water, should do the trick. Heaters are rated on their heat output, and sold according to the size of aquarium they need to heat.
Do tropical fish aquariums have clear water?
Tropical fish aquariums that have water at the proper temperature will have clear water and be less likely to grow algae. The water shouldn't feel hot to the touch or have ice on top.The fish and plants should be thriving and moving about normally. Advertisement. references.
What temperature are heaters preset to?
Most aquarium heaters are preset to 25 Celsius, (78 Fahrenheit,) and that’s the temperature that an average tropical aquarium should be. The vast majority of tropical fish we keep are fine at that temperature, so many people never alter from the heater’s preset temperature.
When do I alter aquarium temperature?
If you keep Discus, Cardinal Tetras, Rams or Zebra Plecs you will need to raise the temperature in order for them to be happy. And make sure that you choose fish tank mates accordingly, as some other South American catfish species like Peppered Corydoras prefer temperatures at or below 25C, (78F).
How water temperature affects fish
Fish have evolved over millions of years to suit the temperature of their surroundings. Fish are poikilothermic, meaning that they cannot control their own body temperature and it will be the same temperature as the water they are swimming in.
What size heater do you need?
Heaters enable us to keep tropical fish in temperate climates and are simple to use and effective. For aquariums in centrally heated homes, a rate of one watt of heater power per litre of aquarium water is recommended, so a 200-watt heater for a 200-litre aquarium and so on.
About Tropical Fish Temperature Importance
The most ideal tropical fish temperature is 74F and 79 F. Some kind of research must be done on the fish, to know their ideal temperature which suits them, warmer or colder. Also the right kind of tropical fish temperature reduces the chances of the disease called Ich in your tank.
Do You Know The Optimum One
The most ideal tropical fish temperature is 74F and 79 F. Some kind of research must be done on the fish, to know their ideal temperature which suits them, warmer or colder. Also the right kind of tropical fish temperature reduces the chances of the disease called Ich in your tank.
What temperature should a fish tank be?
Aganist this background, the best temperature range for an average freshwater fish tank is anywhere from 72°F to 80°F.
How cold can a fish tank be?
Cooler water fishes like goldfish will survive in water as cold as 62°F, but other species like betta and tetras need the fish tank to remain warm; at least 72°F.
Why do you need a thermometer for an aquarium?
Over and above, a thermometer will aid in monitoring the heat distribution in an aquarium making sure there are no hot or cold spots in the tank.
Why is my fish tank so filthy?
A tropical fish in cold water will be lethargic and inactive but will recover once the heater comes back on. Healthy bacteria will also be inactive, meaning your fish tank may be a tad filthy than usual.
How does a fish tank heater work?
To work, a sensor probe inside your fish tank, the controller will read the temperature and compare it to pre-set temperature. If the tank is colder than the set temperature, the device will send power to the socket which will turn on the heater.
What fish species are in an aquarium?
You’ll find hacks and insight on common aquarium fish species such as betta, cichlids, tetras, guppies, danios, barbs, gouramis, goldfish, mollies, platies, killifish and more .
What happens if you don't keep your fish tank water level constant?
If you do not maintain the water level in your fish tank at a constant level, you will have massive temperature fluctuations in your fish tank. As much, doing large water changes in one go will make you lose control of your fish tank’s temperature .
