Temperature

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Hobbyists should attempt to duplicate the air and water

temperatures experienced by water turtles in their natural

environment.  When temperatures drop, turtles become sluggish

and stop eating.  Food already within the digestive tract may

ferment or putrefy, allowing bacteria to multiply and perhaps

cause disease.



Many species tolerate room temperatures for both air and water.

When in doubt, provide the range of temperatures used for

tropical fish (70-80 F).  Water turtles that originate from

tropical climates require a heat source.  Aquarium heaters work

best for indoor aquariums.  Large tanks and outdoor ponds require

a specially designed water heater that maintains a constant

temperature.



An incandescent light bulb or heat lamp can be installed directly

above the basking area to provide supplemental heat.  Most

experts believe turtles remain healthier if they are permitted to

seek out heat when they desire it.  Great care should be taken to

ensure the temperature at the level of the basking surface does

not exceed 90 F.  Such heat sources may also increase the water

temperature in very small aquariums to undesirable levels.  A

thermometer should be placed in the water and another on or near

the basking surface so the temperature of these areas can be

continually monitored.