Carlgreni lighting question

Kasrift · Feb 2, 2023

I can't seem to find too much information on carlgreni mushrooms. They are from the Caribbean, but lighting seems to have mixed information. From this vendor, it seems like super low light is required https://seahorsesavvy.com/collectio...red-caribbean-carlgreni-mushroom-aquacultured and other sites just say low to moderate light.

Also, since they are discosoma carlgreni, does that mean they reproduce by pedal laceration? Anyone with more info on these uncommon mushrooms, I'd love to know more. The internet has less than one page of results when you search them.

Nano sapiens · Feb 3, 2023

I kept some a number of years back. They are quite adaptable, but I wouldn't over light them or put them in too much flow as they can bleach out (same lower light/flow conditions as for Rhodactis inchoata seemed to be fine).

Kasrift · Feb 3, 2023

Nano sapiens said:
I kept some a number of years back. They are quite adaptable, but I wouldn't over light them or put them in too much flow as they can bleach out (same lower light/flow conditions as for Rhodactis inchoata seemed to be fine).

How do they split and what size do they get to?

Nano sapiens · Feb 3, 2023

Kasrift said:
How do they split and what size do they get to?

Pedal laceration and transverse fission, mostly. Mine got to nearly 4" across, which is nearing maximum size.

Kasrift · Feb 3, 2023

@Nano sapiens thanks! Are you a mushroom pro? Any info on how St. Thomas mushrooms split? Those also seem to be an oddity with some people selling them but not a ton of information on them. I thought for awhile that since they are collected nearby, they might be the same.

Nano sapiens · Feb 4, 2023

Kasrift said:
@Nano sapiens thanks! Are you a mushroom pro? Any info on how St. Thomas mushrooms split? Those also seem to be an oddity with some people selling them but not a ton of information on them. I thought for awhile that since they are collected nearby, they might be the same.

'Mushroom pro'

. No, I just know a little something about them.

D. sanctithomae ('St. Thomas Rics') reproduce in much the same way as D. calgreni. To my eye they are closer to anemones and they can inflate to much larger sizes (talking up to 8" when they are really happy). Can sting other corals badly, too. I had two in a 12 nano for a few months and I had to move them on since they took over too much space.

They are really nice 'Shrooms, though, and their edges tend to float gracefully in a low-medium current.