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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Parotocinclus: Greek, para in the side of + greek, ous, otis = ear + Greek, kygklos, ou = a fish (Ref. 45335).
Eponymy: Dr Heraldo Antonio Britski is a Brazilian ichthyologist who was awarded a bachelor’s degree (1960) and a doctorate (1973) by Universidade de São Paulo where he is still a researcher, even though he is officially retired. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical; 22°C - 27°C (Ref. 13614)
South America: Orinoco River basin and Atlantic coastal drainages of the Guianas.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm TL male/unsexed; (Ref. 36885)
Can be distinguished from its congeners by the following combination of characters: 21-31 premaxillary and mandibular teeth, typically 24-25; dorsal profile of snout broad and moderately parabolic, not acutely pointed; head width 75-98% of head length, 18-22% of SL median group of abdominal plates irregularly arranged; pigment on pectoral-fin spine arranged in 5 blotches; two blotches on the unbranched anal ray, single band on the branched anal rays (Ref. 26706).
Body shape (shape guide): elongated.
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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Special reports
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