Bi Color Blenny?

[zackp00]

Hey I have a Bi Color Blenny and I have seen him nip at my snails a few times is this the start of something bad my diamond goby will pick em up and move em but my bi color nips at their attena's don't notice any missing yet but don't want him killing stuff

 

[meowzer]

My bi-color does the same thing....it has never hurt anything though....It also will nip at stuff if you place it, or if they go near the bi-colors hang outs