I have heard that Otos will occasionally suck the slime coats off other fish. I have caught one of mine "cleaning" another, or atleast thats what it looked like. I also thought they were strictly herbivores but mine will sometimes eat shrimp pellets, along with their algae wafers, so I know they have to be somewhat omnivorous.
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*Kristin*
5 Planted tanks:
55g, 40g, 29g, 20g, 5.5g
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