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StarDancer129
Guest
I have noticed that my leopard gecko's tail is shrinking. What is the cause of this and how can I fix it? Any help will be greatly appreciated.
First off, welcome to GF!
Split them up into separate tanks. If your little one is a male, the bigger male will kill him sooner or later, and if the little one is a female he will stress her out with mating attempts and quite possibly impregnate her before she is large enough to safely lay eggs. Ditch the heat rock ASAP and replace it with an undertank heat pad and/or heat light, they are notorious for developing hot spots and burning reptiles, often fatally.
What kind of sand is it, natural sand or a pet store calcium sand? Calcium sands are very dangerous, they disrupt natural digestive processes and can build up and block the digestive tract (impaction). Natural sands are a safer choice, however I would advise switching to paper towel at least temporarily until your geckos have a clean bill of health and are housed appropriately.
Gregg's care sheet is an excellent resource, give it a good read and you will have all the basic info to properly set up and care for your geckos.
Once you have them split up and on paper towels as a substrate you will be able to tell us if each gecko is eating and defecating regularly. Your little one may just be underfed because the big one is hogging all the food, if that is the case you will have solved the problem. If it is eating but not defecating, impaction is a possible cause. Losing weight while eating and defecating regularly may be caused by a parasite overload, which can be confirmed by a fecal sample analysis.