Thursday, December 3, 2009


The Macrotocinclus affinis a.k.a. Otocinclus affinis or "oto" is a small catfish species from the Amazon. They like to have cover such as from wood or dense plants and are happiest in small groups. Opinions differ as to the minimum advisable tanks size. I would suggest that 5 gallons can be sufficient but 10 is better.

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