It could be for the simple reason of species recognition. It is a distinct marking that distinguishes this breed of turtle from any other species, when it is most important -- such as during mating.
No, these two animals cannot live together well. The turtle will often attack the crab in an effort to eat it, and it is not advisable for them to live in the same tank together.
It is natural for red eared sliders to shed, it only means they're growing! Take care of em the same as you'd treat a RES that isn't shedding at the time (:
sliders
You can't visibly distinguish ears on them but they can definitely hear you. I've had my two yellow bellied sliders for about 2 or 3 years now and they come swimming to me when I call their names.
how do pond sliders behave
The duration of Sliders is 2640.0 seconds.
Sliders was created on 1995-03-22.
Sliders ended on 1999-12-29.
Sliders or volume sliders.
There is no species called red eye sliders.
Turbo Sliders was created on 2003-04-16.
Steep Slope Sliders happened in 1997.