All FishesHEPTAPTERIDAEImparfinis  |  | 

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Scientific NameImparfinis guttatus    (Pearson, 1924)
Common Name
Type LocalityRío Popoi, upper Río Beni, Bolivia.
Synonym(s)Nannorhamdia guttatus
EtymologyFrom the Greek, hepta, meaning seven and pteron meaning fin.
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Size127mm or 5" SL. Find near, nearer or same sized spp.
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DistributionSouth America
Amazon, Middle Amazon (Solimoes), Madeira, Mamoré (click on these areas to find other species found there)
La Plata, Paraná, Paraguay, Pilcomayo (click on these areas to find other species found there)
La Plata, Paraná, Middle Paraná, Bermejo (click on these areas to find other species found there)
La Plata, Paraná, Salado (Santa Fe), Horcones (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Madeira, Beni (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 2021.
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BreedingUnreported in the aquarium.
Breeding ReportsThere is no breeding report.
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ReferenceIndiana University Studies v. 11 (no. 64), pp11, Pl. 2 (figs. 1-2).
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Look up PlanetCatfish.comLook up I. guttatus on PlanetCatfish.com
Look up on FishbaseLook up I. guttatus on Fishbase
Look up on Encyclopedia of LifeLook up I. guttatus on Encyclopedia of Life
Look up on Global Biodiversity Information FacilityLook up I. guttatus on Global Biodiversity Information Facility
Imparfinis guttatus QR codeLFS label creator
ARN ref:1.30.164.2541
Last UpdateMon Dec 08, 2025 3:13 pm (Species record created: Thu Jan 01, 1970 1:00 am)