What The Hell Is This?

jeffopentax

Super Active Member
Joined
Nov 11, 2013
Location
Brantford, Ontario
What's this blob i found in my sump?
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Joined
Dec 5, 2014
Location
Hanover, Ontario
you are probably looking at is a form of Clathrina ssp. sponge or cryptic sponge(low light) . they are harmless and come and go as water nutrients allow. a filter feeder.
 

scubasteve

Distinguished Member
Joined
May 4, 2014
Location
Cambridge, Ontario
sponges spread like mold using spores so you dont need anything in sump they free float and settle in areas then start to grow my old sump was the only place i ever saw them maybe 1 or 2 on underside of rock in back
 
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