My crested gecko is inactive. Is its diet or tank temperature wrong?

Hello. While 75-80F is a good range for the warm end of the cage, it would be ideal to have temps from 68-75 at the cooler end so he can self regulate his temperature. If the enclosure is too small to allow such a temperature gradient, then you may find your gecko will become stressed from being either too hot or too cold, and then susceptible to infection. Look through the enclosure and over his body for signs of infection or illness. Count food items offered so you can be sure how much he eats. Also consider a red or blue bulb for night viewing. This may help you observe his nocturnal activity better. Regardless, a new pet exam by a veterinarian is always a good idea to ensure good health and proper husbandry. Good luck!

Bump the temperature up to between 26 and 28 C. It's a small change, but 25C may be a bit to cool for Gargoyle geckos. Low temps can affect appetite and activity. The heat mat should be on one half of the tank. Lights can be turned off at night, but the heat source should stay on if nighttime temps drop. Makes sure the diet contains adequate amounts of vitamin D3. Without it, he is at risk of developing metabolic bone disease (MBD). A recommended diet is Repashy Crested Gecko diet. It is a powdered diet that can be reconstituted as needed. It can be found online or in most pet stores. The locusts fed should be gut loaded 24 hours prior to feeding. If he has a healthy appetite, submit a stool sample to your veterinarian or a vet experienced in treating reptiles to diagnose intestinal parasites. An exam with an​ experienced herp veterinarian would be strongly recommended to diagnose metabolic bone disease and to begin treatment. Supportive care may be indicated in light of the recent rapid weight loss.

Warm him up. Check your tank temps (ambient and basking). Low temps will affect activity and appetite. Use a timer to set a 12 hour light cycle. An infrared heat bulb can be used at night if room temp goes below 70F. See an experienced herp vet for an exam to diagnose illness or injury if symptoms persist. Follow the link for a comprehensive care sheet. http://geckoforums.net/f115-leopard-gecko-caresheets/54138.htm

Submit a stool sample to your veterinarian to diagnose intestinal parasites. Offer fresh crested gecko diet daily. Repashy or Pangea are brands I recommend. You can also offer appropriately sized prey (crickets, dubia roaches, mealworms, etc). Be sure to gut load them for 24 hours prior to offering to maximize nutritional value. Confirm proper environmental parameters. Low temps can affect appetite and digestion in reptiles.

Thanks for reaching out about Ruby. The tank needs to be warmed to 95-100 F in the basking area and no place in the tank should drop below 80F at night. UVB spectrum is important as is the proper diet. Anorexia for 3-4 weeks is serious and a veterinary visit is recommended to assess and provide a diagnostic/ treatment plan. Intestinal parasites, infections, malnutrition and others are possible. Good luck.

Check the temperature in his enclosure. Low temps can affect appetite in reptiles. Offer prey about 2 hours after the heat lamp turns on in the morning. Make sure he is well hydrated by soaking or misting him regularly. It may be a preference. If he is eating the Repashy CGD regularly, don't worry too much about him eating crickets or not.

Overall, she looks quite thin. The kinks in the tail may be an early indication of metabolic bone disease (MBD). 21 C is a bit cool for her. Cresties do best between 25.5 C and 27.7 C Ideally, she should be evaluated by your veterinarian to confirm and treat MBD or other illness/infection. Submit a stool sample to diagnose intestinal parasites. IN the meantime, you can review care at the link below. http://www.reptilesmagazine.com/Care-Sheets/Lizards/Crested-Gecko/