Green dots

[JumperAlex]

I have recently noticed bright almost neon green dots on my LR. Can anyone tell me what's going on?

90g FOWLR
Foxface lo x 1
Ocerllaris clown x2
Blue spotted Toby puffer x1
Tomini tang x1
Flame hawk x1
Red legged hermit crab x 5-10
Snails x 5
Short spine urchin (red) x 1
Conch x 1
Chocolate chip starfish x 2

 

[skinz78]

I've seen this before, nothing to worry about IMHO. Probably a type of Coraline.