Depends what kinda Algae you have ? a few not mentioned are Amano shrimp, ottos, & then there are Rosy Barbs they just love to consume copious amounts of hair Algae.
Had a couple of different Anubias in my tank & I never saw them messing with it or anything else for that matter apart from hair Algae...which is what I put em' in there for within a wk it was gone & stayed gone & they still never messed with the plants .
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