Use less against most of animals but great in pvp, it can destroy players armor (so don't get hit by it) and waepon(plz use cheap range weapon like long bow). Also it can damage ALL kind of structures even TEC.
Not exactly the best combat mount, slow, stamina isn't the best, a little squishy. But a few high levels of these on base defence are pretty good. Put a few in the inner parts of your base (along with the spiders to slow them down) and the will have your enemies armour being melted in seconds!