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Scientific NameImparfinis pseudonemacheir    Mees & Cala, 1989
Common NameShrimp Catfish
Type LocalityRío Tucuragua, near Caicara, Bolívar, Venezuela.
Synonym(s)
EtymologyFrom the Greek, hepta, meaning seven and pteron meaning fin.
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Size40mm or 1.6" SL. Find near, nearer or same sized spp.
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DistributionSouth America
Amazon, Upper Amazon, Marañón, Ucayali (click on these areas to find other species found there)
Orinoco (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 2020.
pH6.5 - 7.5
Temperature24.5-26.0°C or 76.1-78.8°F (Show species within this range)
Other ParametersPrefer a brisk if not strong current, in nature they are found in only a few centimetres of water to about 60cm depth.
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BreedingUnreported in the aquarium.
Breeding ReportsThere is no breeding report.
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ReferenceProceedings of the Koninklijke Nederlandse Akademie van Wetenschappen (Series C, Biological and Medical Sciences) v. 92 (no. 3), pp 387, Fig. 2.
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Imparfinis pseudonemacheir QR codeLFS label creator
ARN ref:1.30.164.884
Last UpdateMon Dec 08, 2025 3:13 pm (Species record created: Thu Jan 01, 1970 1:00 am)