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Otocinclus arnoldi

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Beginners Mistake Common Otocinclus

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Otocinclus arnoldi vitatus hisonotus maculinipis viejita acuario plantado

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Are Otocinclus Catfish Shrimp Safe?

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Otocinclus arnoldi (affinis)/ oto catfish HD

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Otocinclus arnoldi is a species of armoured catfish native to South America, where it occurs in the lower río Paraná drainage, in the lower and middle rio Uruguai and in the río de La Plata. This species reaches a maximum length of 4.8 centimetres (1.9 in) (SL).
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