Hypopomidae

Bluntnose knifefishes

51 species

1. 1Akawaio penak Maldonado-Ocampo, López-Fernández, Taphorn, Bernard, Crampton & Lovejoy, 2013fresh · tropical
2. 2Brachyhypopomus alberti Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
3. 3Brachyhypopomus arrayae Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
4. 4Brachyhypopomus batesi Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
5. 5Brachyhypopomus beebei (Schultz, 1944)fresh · tropical
6. 6Brachyhypopomus belindae Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
7. 7Brachyhypopomus benjamini Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
8. 8Brachyhypopomus bennetti Sullivan, Zuanon & Cox Fernandes, 2013fresh · brackish · tropical
9. 9Brachyhypopomus bombilla Loureiro & Silva, 2006fresh · subtropical
10. 10Brachyhypopomus brevirostris (Steindachner, 1868) · Bluntnose knifefishfresh · tropical
11. 11Brachyhypopomus bullocki Sullivan & Hopkins, 2009fresh · tropical
12. 12Brachyhypopomus cunia Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
13. 13Brachyhypopomus degy Dutra, Peixoto, Ochoa, Ohara, de Santana, Menezes & Datovo, 2021fresh · tropical
14. 14Brachyhypopomus diazae (Fernández-Yépez, 1972)fresh · tropical
15. 15Brachyhypopomus draco Giora, Malabarba & Crampton, 2008fresh · subtropical
16. 16Brachyhypopomus flavipomus Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
17. 17Brachyhypopomus gauderio Giora & Malabarba, 2009fresh · tropical
18. 18Brachyhypopomus hamiltoni Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
19. 19Brachyhypopomus hendersoni Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
20. 20Brachyhypopomus janeiroensis (Costa & Campos-da-Paz, 1992)fresh · tropical
21. 21Brachyhypopomus jureiae Triques & Khamis, 2003fresh · subtropical
22. 22Brachyhypopomus menezesi Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
23. 23Brachyhypopomus occidentalis (Regan, 1914)fresh · tropical
24. 24Brachyhypopomus palenque Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
25. 25Brachyhypopomus pinnicaudatus (Hopkins, 1991)fresh · tropical
26. 26Brachyhypopomus provenzanoi Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
27. 27Brachyhypopomus regani Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
28. 28Brachyhypopomus sullivani Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
29. 29Brachyhypopomus verdii Crampton, de Santana, Waddell & Lovejoy, 2017fresh · tropical
30. 30Brachyhypopomus walteri Sullivan, Zuanon & Cox Fernandes, 2013fresh · tropical
31. 31Hypopomus artedi (Kaup, 1856)fresh · tropical
32. 32Hypopygus benoneae Peixoto, Dutra, de Santana & Wosicki, 2013fresh · tropical
33. 33Hypopygus hoedemani de Santana & Crampton, 2011 · Hoedeman's Hypopygusfresh · tropical
34. 34Hypopygus isbruckeri de Santana & Crampton, 2011 · Isbrücker's Hypopygusfresh · tropical
35. 35Hypopygus lepturus Hoedeman, 1962fresh · tropical
36. 36Hypopygus minissimus de Santana & Crampton, 2011fresh · tropical
37. 37Hypopygus neblinae Mago-Leccia, 1994fresh · tropical
38. 38Hypopygus nijsseni de Santana & Crampton, 2011 · Nijssen's Hypopygusfresh · tropical
39. 39Hypopygus ortegai de Santana & Crampton, 2011 · Ortega's Hypopygusfresh · tropical
40. 40Hypopygus varii Campos-da-Paz, 2018fresh · tropical
41. 41Microsternarchus bilineatus Fernández-Yépez, 1968fresh · tropical
42. 42Microsternarchus brevis Cox Fernandes, Nogueira, Williston & Alves-Gomes, 2015fresh · tropical
43. 43Microsternarchus javieri Pinilla, Cox Fernandes & Alves-Gomes, 2025fresh · tropical · newer than the 2023 backbone
44. 44Microsternarchus longicaudatus Sousa, Wosiacki, Muriel-Cunha, Prudente, Sousa & Peixoto, 2024fresh · tropical
45. 45Microsternarchus schonmanni Cox Fernandes, Keeffe & Pinilla, 2024fresh · tropical
46. 46Procerusternarchus pixuna Cox Fernandes, Nogueira & Alves-Gomes, 2014fresh · tropical
47. 47Racenisia fimbriipinna Mago-Leccia, 1994fresh · tropical
48. 48Steatogenys duidae (La Monte, 1929)fresh · tropical
49. 49Steatogenys elegans (Steindachner, 1880) · Barred knifefishfresh · tropical
50. 50Steatogenys ocellatus Crampton, Thorsen & Albert, 2004fresh · tropical
51. 51Stegostenopos cryptogenes Triques, 1997fresh · tropical

Source: FishBase v25.04 (fishbase.org), via cboettig/fishbase, fetched 2026-10-18.