Calling Neritina snails for help...
The Staghorn algae;
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Neritina sp. Zebra snail;
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This snail sp. have a very strong and sharp teeth being able to scrape this type of algae off.
One can see the way this snail scrapes the algae (tracks on the glass). I will update this blog after one week. I am positive this snail will totally clean off this back glass.
NOTE; since this snail originate from South/Central America this aquarium officially isn't Asian Nature aquarium anymore ;-)
Photos by Dusko Bojic.