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Down arrow Cat-eLog Data Sheet
Scientific Name Aphanotorulus sp. (L131)   
Common Name L131
Pronunciation ah FAN oh to RULE uss
Etymology Greek, aphanes = hidden + Latin, torulus, -i = muscle, little string. 
Down arrow Species Information
Size 400mm or 15.7" 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: Brazil: Rio Tapajos
Amazon, Lower Amazon, Tapajós (click on these areas to find other species found there)

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Temperature 23.0-27.0°C or 73.4-80.6°F (Show species within this range)
Down arrow Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
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Last Update 2019 Jul 16 12:32 (species record created: 2006 Dec 27 01:52)