Fireworms ?

[newone]

Are Fireworms bad to have if so how to remove? And I need to get some more crabs for my 46gl tank what kind and how many red or blue leg ones ? :notsure:

 

[robpsca]

if given an option. In particular they feed on corals, hydrocorals, gorgonians, and anemones (Is it any surprise that reef-tank owners detest them?). They also have preferences of species within those groups. The effects of predation on certain groups can be substantial. article from advnced aquarists magazine website about fireworms we have a bunch in our tank and some of our corals are healthy and next morning dead with bristleworm eating them most say they are harmless i have to disagree i think if there is just a few they are harmless but when they get big and a lot of t;them they will eat corals