What's this algae

PeterEde

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Since sending both my rabbitfish on holiday this has started to grow.
What is it? Will it be a nuisance if not controlled early?
What will eat it that won't grow huge?

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Timfish

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It's one of the calurpa species, probably C. peltata. Calurpa has toxins to make it unpalatable for herbivores to eat so manual removal is really your only option. You might find this article interesting:

 
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PeterEde

PeterEde

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It's one of the calurpa species, probably C. peltata. Calurpa has toxins to make it unpalatable for herbivores to eat so manual removal is really your only option. You might find this article interesting:

I had 2 rabbits that ate caulerpa. I recently sent away. Only coming on now with them gone
 
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I had 2 rabbits that ate caulerpa. I recently sent away. Only coming on now with them gone
Do you have other herbivores in the tank like tangs? They typically like to eat it if the tang's mouth's are large enough to eat it :)
 

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It's only a 30 gal tank which is why I moved on the Rabbitfish.
You can try a tuxedo urchin, but sometimes they can be hit or miss when it comes to caulerpa- Raven
 
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