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Scientific NameMastiglanis asopos    Bockmann, 1994
Common Name
Type LocalityIgarapé Saracazinho, tributary of Rio Trombetas, near Porto Trombetas, Pará State, Brazil.
Synonym(s)
EtymologyGreek, mastax, -agos = bite + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish. From the Greek, hepta, meaning seven and pteron meaning fin.
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Size66mm or 2.6" SL. Find near, nearer or same sized spp.
Hop to next section Habitat Information
DistributionSouth America
Amazon (click on these areas to find other species found there)
Orinoco (click on these areas to find other species found there)
Amazon, Lower Amazon, Guamá, Capim (click on these areas to find other species found there)
Amazon, Upper Amazon (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Negro (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Preto da Eva (click on these areas to find other species found there)
Amazon, Lower Amazon, Trombetas (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.
Hop to next section Husbandry Information
BreedingUnreported in the aquarium.
Breeding ReportsThere is no breeding report.
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ReferenceProceedings of the Biological Society of Washington v. 107 (no. 4), pp 762, Fig. 1.
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Hop to next section More Resources
Forum BBCode
Look up PlanetCatfish.comLook up M. asopos on PlanetCatfish.com
Look up on FishbaseLook up M. asopos on Fishbase
Look up on Encyclopedia of LifeLook up M. asopos on Encyclopedia of Life
Look up on Global Biodiversity Information FacilityLook up M. asopos on Global Biodiversity Information Facility
Mastiglanis asopos QR codeLFS label creator
ARN ref:1.30.272.1091
Last UpdateMon Dec 08, 2025 3:13 pm (Species record created: Thu Jan 01, 1970 1:00 am)