They seem to be pretty and harmless, I wonder if they are categorized as macro or not? How fast will they grow/reproduce and how large can they become? Thanks in advance!
[Algae identification] Anyone know what this is?
- Thread starter yuzusama
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- algae identifcation
They seem to be pretty and harmless, I wonder if they are categorized as macro or not? How fast will they grow/reproduce and how large can they become? Thanks in advance!
Do you mean those neon green polyps?
If you do then they are not an algae type. They look to be colonial hydroids which can be harmful and sting nearby corals.
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