Very shortsighted tank, but fires deadly rockets when it does reach you. Worse, mines constantly come spilling out of the back of this thing as it moves.
Needless to say, letting one of these in attack range of you is a very bad idea. Sentry Turrets can cheaply waste their meager ammo reserves, however.
If you have sufficient Trap Avoidance to ignore their mines, baiting a PantherBot into mining large areas of floor and then luring other bots into the minefield can be very effective.