Yea that's what it's for, what of it :D

So the adolescent worms might not be large enough to devour their prey but that won't stop them from trying! At the very least it slows the prey down until a larger more mature worm monster can close in and take care of bidness.

Our poor poor kittyheart couldn't resist his deep self destructive urges to explore the Citadel sewers, poor poor kitty :<