My lawnmower blennie has problems!!!

[salisbury a d]

Every time I go near the tank he swims to the top of the tank for the food but that is normal since I got him...
The problem is today I fed the fish and he at and then he sat on the bottom under an overhang in the rock.
All of a sudden I look over and he is spazzing out and diving into the tank making a mess.
Then he swam behind the rock his in a cave and didn't come out till lights out.
The only thing I can think of it the emrald crab which was the only think near the blennie may have pinched him or scared him.
Adam

 

[set-man]

If he never does it again then your problem is solved...
If he (or she) does then maybe he is infected with an illness (parasites?). Just a thought.

 

[blutang]

Well if he was trying to burrow in the substrate, that is a normal thing for most blennies to do when they are scared, I wouldn't think much of it just yet.
Later!