Leopard Gecko Tail Loss: Why It Happens and How Regrowth Works
| Healing time (stump closes) | A few days |
| Regrowth visible | ~30–60 days |
| Regrown tail texture | Cartilage, not bone |
Why it happens
Tail-dropping is a built-in predator-escape defense: the detached tail keeps wriggling to distract a predator while the gecko escapes. Common triggers in captivity include rough handling, being grabbed by the tail, another gecko biting during cohabitation, or acute stress.
Immediate care
Move the gecko to a clean, simple enclosure (paper towel substrate) to reduce infection risk while the wound heals, keep temperatures correct to support healing, and avoid handling until the stump has fully closed over, usually within a few days.
What the regrown tail looks like
The new tail regrows from cartilage rather than bone, so it's typically shorter, wider or bulbous, and duller or differently patterned than the original — sometimes called a 'regen tail.' This is cosmetic, not a health problem, once healed.
Preventing it
Never lift, grab, or restrain a gecko by the tail, separate cohabitating geckos if any tail injuries occur, and minimize sudden startling movements or loud noise near the enclosure.
See the full care guides guide, or browse all 593 info pages.
A single adult leopard gecko needs a 20-gallon long tank as an absolute minimum, with a 36x18 in (40-gallon breeder) footprint now considered the recommended standard — plus a secure lid, an under-tank heater on a thermostat, a thermal gradient, at least three hides, and a shallow water dish.
Set up in this order: substrate, then heat source wired through a thermostat, then hides and water dish, then decor — and run the whole enclosure for at least 24–48 hours to confirm stable temperatures before your gecko moves in.
Hatchlings can start in a 10-gallon tank or tub, juveniles do well in 20 gallons, and adults need a 20-gallon long as an absolute minimum — with 36x18 in (40-gallon breeder) now the widely recommended standard, not just an upgrade.
Heat a leopard gecko enclosure with an under-tank heater and/or overhead heat source (halogen or deep heat projector) wired through a thermostat — a thermostat is mandatory, not optional, and heat rocks should never be used.
Leopard geckos can survive without UVB using dietary D3 supplementation, but current husbandry guidance now recommends low-level UVB (roughly 2–6% T5) as best practice — it improves D3 synthesis, bone density, and natural behavior, and views on it have shifted significantly from older nocturnal-species advice.
Keep ambient humidity around 30–40% across most of the enclosure, with a dedicated humid hide raised to roughly 70–80% to support smooth, complete sheds.