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: Regan.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 6.0 - 7.5; dH range: 2 - 18. Tropical; 20°C - 25°C (Ref. 2059)
South America: Amazon, Orinoco, Paraná/Paraguay, Xingu and Tocantins River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm TL male/unsexed; (Ref. 36885); max. published weight: 0.73 g (Ref. 122736)
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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