Is it normal if your red-eared slider turtle does not like to swim and lays on her rock all day long while your yellow-bellied turtle swims all the time?
Yes. Although red eared slider turtles are aquatic, they love to
sit on rock and let themselves be exposed to the sun, air; and
basking is part of their natural lifwestyle as it dries their shell
on a regular basis to prevent shell rot and fungal infection. So
therefore = DO NOT REMOVE THE BASKING MATERIAL or the natural
lifestyle patterns will be disturbed. However, if the turtle spends
too much time on the rock and hardly ever comes off then it could
be a sign of a health problem. See your herp vet.