unknown objects

[nursling]

I have a couple things I would like help to identify, the first thing is a black sphere that came on my live rock at first i did not think anything of it but apppears to be getting larger.

The second picture is a peice of coral a friend gave me but i can not identify it.


Please help, Thank you

 

[Fade]

Re: unknown objects

<a href=showthread.php?s=&postid=6939853#post6939853 target=_blank>Originally posted</a> by nursling
I have a couple things I would like help to identify, the first thing is a black sphere that came on my live rock at first i did not think anything of it but apppears to be getting larger.

The second picture is a peice of coral a friend gave me but i can not identify it.


Please help, Thank you

Bubble alge

Some sort of leather?

 

[comatose]

1. Bubble algea, get rid of it, do not pop it or you'll have more all over the place.

2. not sure but it sure looks like it's on it's last leg, it looks all bleached and has coraline growing on it. but still looks like some polyp is still there, keep it low in the tank for a while to see if it comes back. it doesn't look like a leather, looks more like a SPS coral. is it hard or soft?

 

[nursling]

The coral

The coral

The coral is hard it has does little feeders comeing off of it everywhere more so at night or when I feed the the tank reef chilli.


How is the best way to get rid of the bubble algae I have not tried anything I just have the one sphere so far.

 

[graveyardworm]

I'm thinking the coral is a bleached pocillopora, as you look around the fringes you can see the expanded polyp tentacles. Hard to say without a better pic.

If you can remove the rock with the Bubble algae then do that to get rid of it. Otherwise use a siphon tube pointed right at the bubble as you remove it to siphon out any spores if it pops.

edit: you can gently try to roll the bubble back and forth with your fingers to dislodge the holdfasts then it should come right out. Dont forget the siphon just in case.

 

[Maxius]

the bublle algea is velonia. it will spead like weeds
take that rock out of the tank remove the algea and than rince the rock in fresh water to remove any ramaining spores

 

[nursling]

i updated the coral pick is that any better

i updated the coral pick is that any better

hope this pic looks a bit better

 

[graveyardworm]

I'm amazed it has polyp extension given the shape its in, my vote is still pocillopora.

 

[bertoni]

I would just remove the bubble algae and leave the rock in the tank. Removing the rock from the tank is a lot of work and rinsing it in fresh water might kill a lot of organisms. At least for me, bubble algae hasn't been that hard to keep under control.

I think the second picture is of a stony coral, but I'm not convinced it's bleached. It might just be a coral without photosynthetic symbiont. You could try spot-feeding it and see what happens.

 

[ChunksInClemson]

Try getting a couple emerald crabs. They eat Velonia (bubble algae). This is kinda hit or miss though.

 

[bertoni]

Emerald crabs sometimes eat bubble algae. They also sometimes eat fish. Most of them are reasonably safe, though, at least for a while.

 

[nursling]

coral

coral

I don' t think it is bleached either. I'm thinking that is the way it looks. but that is why i'm asking.