Came in on a rock with polyps...

The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.

Robert_ellis

Aquarium Advice Freak
Joined
Nov 6, 2012
Messages
230
Can someone tell me what these are?
 

Attachments

  • image-741236760.jpg
    image-741236760.jpg
    158.2 KB · Views: 89
Generally bad. They tend to grow so fast as to overtake the aquarium and sting nearby corals. Think dandelions. . .
 
Back
Top Bottom