size of a leo, than it must be keyserlingii, the biggest of the species.
+/- 15 years.
for the handling, i always use a plastic waterbottle where the entire top
is cut off. hold it in front of them and give a gentle tick against the back leg
and they will walk right in. no or less stress, no tails falling off and of course
no skin damage.

setup, desert, about 35°c at the hot side. my terra is 60cmx40cmx40cm.
always keep one corner of the terra moist.(not wet)
i've been keeping and breeding mine for almost 8 years under these conditions whitout any problems.

here is a pic of my terra.