my tang's diggina hole!

[Smonkey15]

any reason why? its a yellow tang, seems healthy, water is good. but every once and a while he will dig into the sand in this one spot, the hole is getting pretty big now. no where else. its right under a rock. any ideas as to why this is? thanks
steve

 

[reefrunner69]

Have you looked at night? That might be where it sleeps

 

[Smonkey15]

good call, i'll check that one tonight!
steve