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iNat·871146SpeciesActinopterygii1 field observations
  1. Animals
  2. ›Chordates
  3. ›Vertebrates
  4. ›Ray-finned Fishes
  5. ›Carps, Characins, Catfishes and Allies
  6. ›Catfishes
  7. ›Loricarioidei
  8. ›Armored Catfishes
  9. ›Cascudinhos
  10. ›Otocinclus
Golden Oto
Plate 1 of 6. Cisamarc (CC BY-SA 3.0) · via Wikimedia

Golden Oto

Otocinclus affinis

The golden otocinclus (Macrotocinclus affinis, formerly Otocinclus affinis) is one of the smallest known suckermouth catfish, often called a 'dwarf oto'. Endemic to Southeast Brazil, this herbivorous, rheophilic, bottom-feeder only grows to around 4 cm (1.6 in) in length. The close relatives of this small fish are often used for the purpose of controlling algae in small home aquariums, under the name Otocinclus affinis. In reality, they belong to the species O. vittatus, O. vestitus and O. macrospilus....

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Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Otocinclus affinis in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 871146.