Zoo problem

[Nickgood]

a while ago i got some nice yellow zoos,a now over the last few months they have shrunk to about half of what they were. They are showing no skirts and are pastel yellow now instead of just like a gold yellow. Any one figure this one out?

[650-IS350]

tank paramters and livestock list?

[Nickgood]

44 gallong oceanic cube. 250w ice cap ballast and 14k ice cap mogul bulb, one emeradld crab, bunch of hermits, yellow watchman, lawnmower blenny, flame fin tomini tang, ora black perc pair.

[650-IS350]

Watch the following... caution

emerald crab
Tang

[juancho24]

Yeah...keep an eye on the tang they are know for making zoas disappear.