I have been watching this guy for about a month now. It is about an inch and a half wide. It hasn't grown much while I've been watching it. The tank is about 5 months old.
Type of sponge, maybe? It seems completely harmless.
Nevermind the hairy red algae. That's a whole different thread altogether.
Thanks for your input!
Nevermind the hairy red algae. That's a whole different thread altogether.
Thanks for your input!
