ID please...

[Ryan Hurrell]

So I wanna say this is green coralline but I could be wrong. It’s neon green only growing on my live rock. Now I have taken a toothbrush to it and it doesn’t come off for the life of me. It just kinda popped up and shortly after I started getting purple and pink coralline growing on the rock also. I would think any other kind of algae would come off easy??? ‍‍ When I googled it the pictures pretty much look the same.

 

[diana a]

Hard to tell with the blue light

ETA: you are talking about the color on the rocks... yes coraline algae

 

[diana a]

What is that?

 

[Ryan Hurrell]

What is that?

View attachment 21389

That’s a hermit crab I’d have to ask the girls but I think that’s Steve O

 

[Ryan Hurrell]

Hard to tell with the blue light

ETA: you are talking about the color on the rocks... yes coraline algae

Yes I’m talking about the bright green on the rock. I just wanna make sure it’s a good algae and not a nuisance algae. It looks really good in the tank. I’ll take another pic shortly with no blues on.

 

[Mrx7899x]

Is it newish rock or has it been in the tank for a while

 

[jmags080307]

If it can't be scraped off with a toothbrush, I'd say it's coraline algae. It can be a bunch of different colors but the most common is the red and pink.

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