Teleostei (teleosts) >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Otocinclus: Greek, ous, oto = ear + Latin, cinclus = latticework; in allusion to the holes of the head in the ears (Ref. 45335).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 6.5 - 7.8; dH range: 2 - 25. Subtropical; 20°C - 25°C (Ref. 2060)
South America: Laguna dos Patos drainage basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.8 cm TL male/unsexed; (Ref. 111122)
Short description
Identification keys | Morphology | Morphometrics
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lehmann, A.P., F. Mayer and R.E. Reis, 2010. Re-validation of Otocinclus arnoldi Regan and reappraisal of Otocinclus phylogeny (Siluriformes: Loricariidae). Neotrop. Ichthyol. 8(1):57-68. (Ref. 86395)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
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