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  • Hisonotus notatus
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Scientific NameHisonotus notatus    Eigenmann & Eigenmann, 1889
Common NameBlack Otocinclus
Type LocalityRio de Janeiro State, Santa Cruz, rio Guandu, Santa Cruz farm - Emperor Pedro II's farm, Brazil, 22°54'40"S, 43°41'7"W. [old locality: Santa Cruz, within urban area of Rio de Janeiro, Brazil.
Synonym(s)Hisonotus minutus, Microlepidogaster notata, Microlepidogaster notatus, Otocinclus notatus
Pronunciationhi sow note uss
Etymology(Greek)Isos=equal + (Greek)noton=back. Lorica, Loricare = cuirass of corslet of leather (a suit of armour made of leather).
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Size40mm or 1.6" SL. Find near, nearer or same sized spp.
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DistributionSouth America
Rio de Janeiro State Rivers (click on these areas to find other species found there)
Minas Gerais State Rivers (click on these areas to find other species found there)
Espirito Santo State Rivers (click on these areas to find other species found there)
Sao Paulo State Rivers (click on these areas to find other species found there)
Rio de Janeiro State Rivers, Macaé (click on these areas to find other species found there)

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IUCN Red List Category
Least Concern
, a distribution map is available on the IUCN species page. Last assessed 2018.
pH6.5 - 7.5
Temperature22.0-24.0°C or 71.6-75.2°F (Show species within this range)
Other ParametersdH 20.
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Breeding ReportsThere is no breeding report.
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ReferenceProceedings of the California Academy of Sciences (Series 2) v. 2, pp 41.
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Look up on FishbaseLook up H. notatus on Fishbase
Look up on Encyclopedia of LifeLook up H. notatus on Encyclopedia of Life
Look up on Global Biodiversity Information FacilityLook up H. notatus on Global Biodiversity Information Facility
Hisonotus notatus QR codeLFS label creator
ARN ref:1.4.320.1390
Last UpdateSat Dec 25, 2010 10:17 am (Species record created: Thu Jan 01, 1970 1:00 am)