Imparfinis

Imparfinis
Imparfinis hollandi
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Heptapteridae
Genus:	Imparfinis C. H. Eigenmann & A. A. Norris, 1900
Type species
Imparfinis piperatus Eigenmann & Norris, 1900

Imparfinis is a genus of three-barbeled catfishes native to South America, with a single species (I. lineatus) in Central America.

Species

There are currently 23 recognized species in this genus: ^[1]

• Imparfinis arceae Silva, Sabaj Pérez, Carvalho & Oliveira, 2025
• Imparfinis cochabambae (Fowler, 1940)
• Imparfinis guttatus (N. E. Pearson, 1924)
• Imparfinis hasemani Steindachner, 1915
• Imparfinis lepturus Silva, Reia, Morimoto, Benine & Oliveira, 2023
• Imparfinis lineatus (W. A. Bussing, 1970)
• Imparfinis longicauda (Boulenger, 1887)
• Imparfinis microps C. H. Eigenmann & Fisher, 1916
• Imparfinis minutus (Lütken, 1874)
• Imparfinis mirini Haseman, 1911
• Imparfinis mishky Almirón, Casciotta, Bechara, Ruiz Díaz, Bruno, D'Ambrosio, Solimano & Soneiro, 2007
• Imparfinis munduruku Castro & Wosiacki, 2019 ^[2]
• Imparfinis nemacheir (C. H. Eigenmann & Fisher, 1916)
• Imparfinis pijpersi (Hoedeman, 1961)
• Imparfinis piperatus C. H. Eigenmann & A. A. Norris, 1900
• Imparfinis pristos Mees & Cala, 1989
• Imparfinis pseudonemacheir Mees & Cala, 1989
• Imparfinis robustus Cortés-Hernández, López-Castaño, Milani & DoNascimiento, 2023
• Imparfinis schubarti (A. L. Gomes, 1956)
• Imparfinis spurrellii (Regan, 1913)
• Imparfinis stictonotus (Fowler, 1940)
• Imparfinis timana Ortega-Lara, Milani, DoNascimiento, Villa-Navarro & Maldenado-Ocampo, 2011 ^[3]
• Imparfinis usmai Ortega-Lara, Milani, DoNascimiento, Villa-Navarro & Maldenado-Ocampo, 2011 ^[3]

References

1. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Imparfinis". Catalog of Fishes . California Academy of Sciences . Retrieved 3 November 2025.
2. Castro, Íthalo Da Silva; Wosiacki, Wolmar Benjamin (2019-12-02). "A new species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from the Tapajós basin, Brazil" . Zootaxa. 4701 (5): 461–472. doi:10.11646/zootaxa.4701.5.6. ISSN   1175-5334. PMID   32229929. S2CID   213116063.
3. Ortega-Lara, A.; Milani, N.; DoNascimiento, C.; Villa-Navarro, F.; Maldonado-Ocampo, J.M. (2011). "Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia". Neotropical Ichthyology. 9 (4): 777–793. doi:10.1590/S1679-62252011000400009.