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Hypostomus johnii (Steindachner, 1877) |
| Family: | Loricariidae (Armored catfishes), subfamily: Hypostominae | |||
| Max. size: | 11.3 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | South America: Parnaíba and São Francisco River basins. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 15 January 2021 Ref. (130435) | |||
| Threat to humans: | harmless | |||