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Scientific Name Hisonotus leucofrenatus  (Miranda Ribeiro, 1908)
Common Name Niger Oto
Type Locality Rio das Pedras of Rio Ribeira, Brazil.
Synonym(s) Microlepidogaster leucofrenata, Otocinclus leucofrenatus
Pronunciation hi sow note uss - look oh FREN ah tuss
Etymology (Greek)Isos=equal + (Greek)noton=back. 
Hop to next section Species Information
Size 60mm or 2.4" SL. Find near, nearer or same sized spp.
Identification A non-descript species with an attractive if low key horizontally striped and mottled patterning.
Sexing Females are larger, broader across the pectoral to dorsal area and slightly duller in colouration.
General Remarks Lives sympatrically with Parotocinclus maculicauda.
Hop to next section Habitat Information
Distribution South America: Ribeira de Iguape River basin.
Sao Paulo State Rivers (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2018.
pH 6.4 - 7.4
Temperature 20.0-24.0°C or 68-75.2°F (Show species within this range)
Other Parameters Prefers slightly cooler water.
Hop to next section Husbandry Information
Feeding These fish appear to be predominantly herbivorous and will readily feed from a wide array of aquarium fare. Algae discs can make up a good portion of their diet, supplemented with any number of additional prepared flake or pellet foods. User data.
Furniture Really does best in a planted aquarium, other cover is not necessary although the fish has at least a passing affinity with rounded peebles.
Compatibility Peaceful.
Suggested Tankmates Most small community fishes that prefer a little current and temperatures on the lower side.
Breeding These fish are egg scatterers, breeding in a fashion much like a member of the callicthyid genus Corydoras. See CotM article link below for more details.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Kosmos, Rio de Janeiro [Rev. Art. Sci. Litt.] v. 5 (no. 2) (for 1907), pp [2].
Registered Keepers There is no registered keeper.
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There are 5 records of this fish being seen, view them all.
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Last Update 2020 Oct 05 12:36 (species record created: 2004 Nov 11 00:00)