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Re: Otos and Algae

About Otocinclus catfish, Scott wrote:

>No doubt they do a good job on certain algae.  I've alays wondered if
>they are actually after the the algae or the biofilm (which sometimes
>is mixed with or gets coated with algae).  Any thoughts?

I suspect they go after everything in the "mat" whether it's algae, 
bacterial film, or micro fauna.  These little guys seem to be omnivorous 
for the most part.  I can't talk them into eating hair algae, though.
Chuck Huffine
Knoxville, Tennessee