He may be adjusting to his new environment. You could try giving him tuna to entice his eating, or just give it time. He also could just not like the food he is being given.
Yes you should be concerned. There should be a basking area with a temp around 90
No
Cheek it water it needs to be warm.
Make sure your uvb light is working or buy a new one if it is older then 9 months. Clean the tank everyday for a while then make sure the basking light is hot enough
I dont know it depends on the red eared slider
Yes, you can feed your red eared slider carrots. Jut make sure the pieces you are feeding them are small enough and soft enough to eat.
Red-Eared Slider can stay dry for days to weeks, but they cannot eat without water, I mean enough water to site in while eating as they cannot swallow without the ad of water. If you are transporting the red-Eared being dry is okay, keeping a turtle as a pet dry will be almost considered torture as they will slowly die of starvation and dehydration
no but it will make them very sick if they dont have enough water
Red eared slider turtles bask though out the day. There is no specific time that they prefer.
Ghost Red Eared Slider Turtles will get to be the same size as normal Red Eared Slider Turtles, which is 10-12 inches.
feed raw chicken or meat due to the risk of bacterial contamination. Also See. How Much Should I Feed My Red Eared Slider? How Should I Give My Red Eared Slider Its Food?
Yes, all turtles have backbones which are located under the shell.