What might these growths be? and removing harmful crabs.

[newreefer_59]

hairy legs and eyes spaced far apart. There are 2 smaller ones that live on the birds nest and one much larger one that is very evasive. LFS has said to fluch 'em if caught - don't know how to catch these guys without damaging the coral. The damage they are doing is debatable as is kida tough to tell at times.