They are neither too big nor too aggressive but can bite when mishandled or aggravated in any way. However, one needs to remember that Leopard Gecko bites are very uncommon and hardly hurt. Unless and until there's a reason for biting, Leopard Geckos never bite. And even if they bite, their bites don't draw out blood.
What happens if you get bit by a leopard gecko?
If the gecko's bite broke the skin, the wound should immediately be washed thoroughly with copious amounts of warm water and antibacterial soap. The wound can then be covered with antibiotic ointment and a bandage. Large geckos can inflict a deep, painful wound due to their size.
Are leopard geckos aggressive?
But in reality, some leopard geckos might be more aggressive than others, including females. ... If the temperature is too high, a leopard gecko will be trying to hide a lot and climb the glass to escape. Breeding season can make leopard geckos aggressive. Males will be aggressive with each other and can fight.