sleeping behaviour

Here is probably one for Paul B to answer :) But don't let that cause you not to chime in. Do corals sleep? I think so simply from observation of the dramatic changes in the look of a coral from daylight to night time. Every night, my Toadstool, mushrooms, Zoas and Gorgonians all seem to...

I was not aware that many wrasse species sleep with mucous nets. Since this is the first time I have seen it I figured I would grab a picture and post it. Pretty Cool!

Good Evening all, We recently made an addition to our 75G Reef Tank. We bought a Foxface Lo who was very healthy, in good shape, good shape, and was eating very well at the LFS. We got him home and drip acclimated him and introduced him to our tank. He does great during the day, he loves the...

I have a question to those with experience with the Kole Tang, or Tangs in general. I have noticed an odd behavior with my Kole Tang. When the lights go off for the night all the other fish retreat to their normal sleeping spots, however the Tang seems to still cruise around the tank albeit...