How Rare?
- Thread starter Timfish
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skinz78
10K Club member
It looks like one of those Disaseras "SP"? plates and they are known for breaking themselves up into frags, I'm wondering if yours is broken from underneath and just has 2 mouths because of the break?
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Timfish
Crusty Old Salt
@ Skinz78, the polyps are budding of a small spot on the liverock and at first are only about 1/8 - 3/16 across. They are definitely not frags or broken skeletons and this was was clearly a siamese twin since it was less than 1/2" across. I am well aware of agamogenesis in corals what I want to know is how often does this produce a siamese twin in Fungia sp.
@ Pkunk35, A sibling polyp to this one is doing the same thing. November 2010 it died sitting next to this one posted (1) and in January 2011 it had about 3 dozen polyps 1/16 to 1/8" across. What's interesting is a couple of them have now done the same thing as the original spot on the live rock where once the polyp drops off a new one starts in it's place.
(1) You can see it in the background of the picture I posted and I'm still trying to figure out why one died and one next to it lived. Same current, same light, no feeding per say, weekly 10% water change. July 4th weekend of 2010 the tank got warm which resulted in the two BTAs to bleach and shrink and partial bleaching of a Galaxia colony but no loss of life. Over the next couple of months about a fourth of the Frogspawn polyps died but never more than one every week or two.
@ Pkunk35, A sibling polyp to this one is doing the same thing. November 2010 it died sitting next to this one posted (1) and in January 2011 it had about 3 dozen polyps 1/16 to 1/8" across. What's interesting is a couple of them have now done the same thing as the original spot on the live rock where once the polyp drops off a new one starts in it's place.
(1) You can see it in the background of the picture I posted and I'm still trying to figure out why one died and one next to it lived. Same current, same light, no feeding per say, weekly 10% water change. July 4th weekend of 2010 the tank got warm which resulted in the two BTAs to bleach and shrink and partial bleaching of a Galaxia colony but no loss of life. Over the next couple of months about a fourth of the Frogspawn polyps died but never more than one every week or two.
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OP
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Timfish
Crusty Old Salt
Looking through Verons "Corals" it is definitely not a Diaseris species. It could be one of several Cycloseris species or one of half a dozen Fungia species, I'll have to look a lot closer at the septia to get a better idea. My original question still stands, how often to siamese twins occur with single polyp Fungiidae species.
