peacock eel

Hi all I recently switched from a gravel substrate to sand and now my Peacock Eel refuses to burrow like he has done every since I got him (4 years ago). I switched to the sand substrate because after a lot of time spent surfing numerous fish forums, it seems to be the general consensus that...

HELLO any nice people that help out(not in a mean way). SO I need some help with peacock eels. i need info since most sites say stuff that go against each other? The main things that really were similar are that they need sand usually fine(i have sand about salt sized). also that they stay...