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Down arrow Cat-eLog Data Sheet
Scientific Name Aphanotorulus unicolor  (Steindachner, 1908)
Common Name
Type Locality Rio Purus, Brazil.
Synonym(s) Aphanotorulus frankei, Hypostomus chapare, Hypostomus madeirae, Hypostomus micropunctatus, Hypostomus popoi, Hypostomus unicolor, Plecostomus chapare, Plecostomus madeirae, Plecostomus micropunctatus, Plecostomus popoi, Plecostomus unicolor
Pronunciation ah FAN oh to RULE uss - you nee kol or
Etymology Greek, aphanes = hidden + Latin, torulus, -i = muscle, little string. 
Down arrow Species Information
Size 139mm or 5.5" SL. Find near, nearer or same sized spp.
Identification In Aphanotorulus, all species show clear sexual dimorphism and have a generally flatter appearance than other hypostomine genera. The posterior edge of the oral disc is jagged rather than smooth. Aphanotoroulus can be distinguished from Isorineloricaria by having caudal peduncles that do not become greatly lengthened with size and that are oval in cross section (vs. caudal peduncle proportions that get proportionately longer with size and that become round in cross-section), and by having small dark spots (less than half plate diameter) on a light tan background (vs. spots almost as large as lateral plates on a nearly white background.
Sexing Males in breeding condition posses extremely elongate, bristle-like odontodes. These cover the entire back and sides behind the dorsal fin.
Down arrow Habitat Information
Distribution South America: Upper Amazon River basin.
Amazon, Upper Amazon (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Temperature 25.0-28.0°C or 77-82.4°F (Show species within this range)
Down arrow Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 11) (for 2 Apr. 1908), pp 164.
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Last Update 2019 Sep 29 02:46 (species record created: 2003 Nov 15 00:00)