I think all is ok, as long as you keep on top of water parameters you will have no issues keeping those corals, i have to say the light on that tank is diabolical, i have one in my fish box, ive been learning about lights or trying to atleast over the past few days and i think when i do another nano tank im going to try a e27 lamp with bulbs from china. We need you to answer this question! they are not a pest, as they do not feed off the crab. they are not a pest, as they do not feed off the crab. the worms that inhabit their shells are known as polycheate (poly-keet) worms or bristle worms. Yes. Hermit Crabs. the worms that inhabit their shells are known as polycheate (poly-keet) worms or bristle worms. Also as we looked, we saw what looked to be a small bristle worm dissapearing into the live rock. hermit crabs do get worms. this is known as mutual respect. How do bristle worm live with hermit crabs? I did my research, and found that small bristle worms are only scavengers that do not harm other tank life. Answer. The bristle worm living with the hermit crab? the worms that inhabit their shells are known as polycheate (poly-keet) worms or bristle worms. Related Questions. hermit crabs do get worms. Wiki User November 18, 2011 1:32AM . they are not a pest, as they do not feed off the cra … b. the worms feed when the crab feeds, sharing it's meal. I am wondering if that could be what killed my crabs. hermit crabs do get worms.