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  • Hypostomus johnii
  • Hypostomus johniiDorsal view
  • Hypostomus johniiLateral view
  • Hypostomus johniiVentral view
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Scientific Name Hypostomus johnii    (Steindachner, 1877)
Common Name
Type Locality Rio Poti, rio Parnaíba basin, municipality of Teresina, Piauí, Brazil.
Synonym(s) Plecostomus johnii
Pronunciation hi POSS tow muss
Etymology Greek, hypo = under + Greek, stoma = mouth. 
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Size 113mm or 4.4" SL. Find near, nearer or same sized spp.
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Distribution South America: Parnaíba and São Francisco River basins.
Piauí Rivers, Parnaíba (click on these areas to find other species found there)
São Francisco (click on these areas to find other species found there)

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IUCN Red List Category
Data Deficient
, range map and more is available on the IUCN species page. Last assessed 2021.
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Breeding Reports There is no breeding report.
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Reference Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.), pp691 [133].
Registered Keepers There is no registered keeper.
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Hypostomus johnii QR code LFS label creator
ARN ref:1.4.17.3915
Last Update 2025 Jan 01 12:05 (species record created: 2011 Sep 22 17:50)