how many crickets should a leopard gecko eat a day
For example, below is an estimate of cricket size and the leopard gecko's age: 1  Hatchling geckos â 3/8 inch crickets (crickets are 2 weeks old) 2  Juvenile geckos â Â¼ inch crickets (crickets are 3 weeks old) 3  Adult geckos â smaller adult to adult sized crickets.