I d ??

[aquaria_rn]

Can anybody ID this, macro algae ? Good or bad?

 

[Michael Hoaster]

Caulerpa racemosa peltata. Whether it's good or bad is up to you. It can be invasive if conditions are right for it. If you're keeping a reef tank, with low nutrients, it may not survive. In my experience they're kind of greedy.

 

[aquaria_rn]

Caulerpa racemosa peltata. Whether it's good or bad is up to you. It can be invasive if conditions are right for it. If you're keeping a reef tank, with low nutrients, it may not survive. In my experience they're kind of greedy.

Thanks, quess you were right about low nitrates. Its gone. Hey how about help with this
Saw it at my LFS, very intresting but i never seen is. I think it was called a spider lilly? Cant find anything on the net. Maybe im not naming it correct. Any idaes?

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[Michael Hoaster]

Crinoid?

 

[ThRoewer]

Crinoid?

Yes, it's a feather star: https://www.google.com/url?sa=t&sou...FjAeegQIBRAB&usg=AOvVaw19t_rS2cFGCy6aBKHMkBgz

They are extremely difficult to keep alive because they are filter feeders who exclusively feed on plankton during the night.
In most cases they will slowly starve to death in a reef tank. They probably have the best chances of survival in a NPS tank that is heavily fed and has a good nutrient export to keep nitrates and phosphates low.

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[Systemwizardinc]

cool looking feather star wish i had one