| Referens | Armbruster, J.W., N.K. Lujan and D.D. Bloom, 2021, Redescription of the Guiana Shield darter species Characidium crandellii and C. declivirostre (Crenuchidae) with descriptions of two new species.. Ichthyology & Herpetology 109(1):102-122. |
| Ref. | Armbruster, J.W., N.K. Lujan and D.D. Bloom, 2021 |
| Sida | 113-116 |
| Namngiven Används som giltig | Characidium duplicatum |
| Kommentar | ecology, etymology, occlit |
| Observationsplats | Guyana, Region 8 (Potaro-Siparuni), Potaro-Essequibo River basin, Kuribrong River, in rapids at Grass Shoals; CSBD F-3614. |
| Utbredning | Throughout the Essequibo River basin. |
| Citat | urn:lsid:zoobank.org:act:11B1C6B7-9273-4C91-959A-31FDF3C0797B Maximum size (holotype): 3.94 cm, SL. |