I have two yellow-bellied sliders (Trachemys scripta scripta). The water is more than 6cm tall, the aquarium is 50cm x 30cm and the turtles are like 7cm long. The aquarium is indoor. They have semi-direct sunlight (there's the window in the middle), a heater, and two gadgets:

  • one bridge, which grants them shadow and also they can walk over to have dry ground;
  • a rocky mountain - actually I think it should be bigger - in which a turtle fits perfectly.

I read that turtles need a dry space and sunlight, but most of the time I see them under the bridge. They don't struggle for the space at all. If I move them manually to the dry mountain or above the bridge, they immediately fall back below the bridge.

Under what conditions is it normal that they want to reject staying on the illuminated and dry grounds the whole time? Is it somehow a sign of sickness?

  • 1
    What are the temperatures in the tank? – Spidercat Aug 23 '14 at 1:25
  • I will buy a term0 tomorrow to measure it, and tell you. Actually I'm kinda worried. – Luis Masuelli Aug 23 '14 at 3:12
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    What do you mean by semi direct sunligjt? Is the window closed and some light from the sun is seeping through? – Mozein Aug 26 '14 at 9:16
  • Temperature in the tank was right. Semi direct sunlight means: the window is closed and the sun traverses the window glass. However: except for few hours the sun does not directly hit the window, just the regular daylight (atmosphere-bounced sunlight). – Luis Masuelli May 20 '15 at 16:36

Found it (sorry for not posting it before). The turtles were just scared of human presence. When no human was there, turtles even shared the dry surface on the toy bridge.

  • 1
    Semi direct sunlight is not enough for the basking place of turtles. I assume the mentioned heater is for the water. In that case the temperature on the dry area is hot enough (around 35°C) to be attractive enough for the turtles. – Allerleirauh Feb 11 '20 at 17:36

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