Clown fish and frag plug

[Lewis1]

I have these two clownfish in my 10 gallon tank. when I place frag plugs into the holes I have drilled in the rock they keep biting and nipping at the frag plug and sometimes get the Coral is there a way to stop them from doing this?

 

[Peace River]

Clowns can be curious and sometimes nipping at corals and anemones is their way of inoculating themselves to potential toxins. One approach is to use some sort of temporary cage around the plug until it gets adjusted (I have used plastic mesh berry baskets in the past). Good luck!