mantis shrimp

[fishoholic]

Originally Posted by the marine apprentice

will they hurt anything to be down in my sump?
or will it wreck my sump

I have a small 2-3 inch g. smithi mantis that lives in a rock in my sump. He rarely comes out of his rock but when he does he will grab mysis, krill and silversides from aqua tongs. I've had him for 2 and a half years and he's never caused any problems.