What going on with my leather?

[Mussin]

I woke up today to find two white "creases" on one of my toadstools. What do you think its from? Maybe its growing?

Jeremy

 

[gflat65]

Or self propagating. Comethign could be munching on it, too. I wouldn't get concerned until it starts developing tissue loss with black around it. Polyps are out, so just keep an eye on it.

 

[garygonzales]

+ 1 on that...

 

[Mussin]

Update.. I went away for the holidays and came home to this...

Other than it half the size it used to be it seems healthy?? Anyone seen thiers do this?

Jeremy

 

[tallreefguy]

Yeah, mine is currently self-propogating too. But at least it looks healthy

 

[RyanSweatt2004]

That looks like the handy work of a bad crab. A friend of mine had corals in one of her 220 gallon tanks that were decreasing in size sometimes overnight. Basically looked just like yours does. Turned out, we had to take every rock out of the tank and searched all the holes in each rock. We ended up finding a half dollar sized gorilla crab that had a 3 inch cutting it took from one of her toadstools right in its hole. It might not hurt to keep an eye on your corals at night.

 

[Mussin]

The only crabs I have are hermits. Ill keep an eye on it @ night, Thanks

 

[RyanSweatt2004]

The crab we found was a hitchhiker. You might never see them if they hitchhike in as small baby crabs. But they grow and the one we found was taking huge chunks of coral by the time we found it. I doubt your hermits would be the culprits.

 

[joejoe1055]

+1 had one trim my zoas for me at night

 

[Steve S]

dont want to hyjack this thread, but mine has been closed up for about 3-4 days and now looking greenish brown and really about 1/2 its size. I dont know how to attatch a pic or I would....any thoughts. The tank is only 4 weeks old and all the parameters are good.