Rhizos can touch other Rhizos... Right?

Bongo Shrimp

P. ceratophthalma
Yeah so I caught the rhizo bug an one just wasn't enough. I got a second and put it next to my original one because I'm almost 100% sure they can touch each other but the new one is not really opening like it should. Makes me think it is getting stung.

Just want to be sure it isn't getting hurt.
 
If the two corals are so closely related that their immune systems can't tell each other apart, they can touch without harm.

Sometimes being the same species is enough, but definitely not always. Being of the same genus is rarely enough to allow the corals to safely touch.

I would certainly advise separating them.
 
I presumed they were - I don't see a lot of the other three species on this side of the Pacific. :)

Even so, if the coral is behaving as though there may be a problem, it seems worth moving it and finding out.
 
What do I know, but an anemone can sting another anemone (my LT killed my aurora :( ), so i can't see why a rhizo can't sting another rhizo. Thanks for posting this bongo shrimp. I'm about to get my first couple of rhizos and this is good to know.
 
No issue with them touching (use to have 4 in a group). Can stack a large group of them together and make one beautiful stinging carpet ;)

Mike
 
They will happy live together :)

752100pic5.jpg
 
Well, last night I saw them both opened up like rhizos do every night. During the day though, my old one stays pretty open all the time while the new stays very sucked in. I've never really thought about it but do they need to be trained to stay open during the day? I guess when I got my first one I never gave that any thought. Maybe that's why the newb is so closed up.
 
Well, last night I saw them both opened up like rhizos do every night. During the day though, my old one stays pretty open all the time while the new stays very sucked in. I've never really thought about it but do they need to be trained to stay open during the day? I guess when I got my first one I never gave that any thought. Maybe that's why the newb is so closed up.

Maybe it needs some of those hot dogs you fed your old one.;)
 
That was a one tyme deal. And it was just one slice of hot dog. Anyhow, I fed him a whole cube of mysis today and he seemed pretty happy.
 
As mentioned they can touch each other with no issues.
During the day though, my old one stays pretty open all the time while the new stays very sucked in. I've never really thought about it but do they need to be trained to stay open during the day?
Yes, some of them need to be "trained". Depending on the depth collected, they will differ in how much extra care is needed. Over time they will expand more and more. One rhizo I kept was 8-9" when fully opened after about two years in captivity. Initially when I got it it would just barely open out of it's skeleton (3" or so).
 
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