These slow-moving, soft-bodied creatures have two lines of defense. First, when trasks are harassed, they discharge a purple ink. If you pick one up, you'll readily experience this defense mechanism. The ink is thought to confuse or deter predators and prevent further attack.
The second line of defense is a pearly, slimy substance that is discharged when trasks are more seriously threatened. This substance has been known to paralyze some would-be predators and inhibit the feeding response of others.
Like rabbits, trasks are pretty much harmless creatures that are interesting to watch but best left alone