Rhamphichthyidae

Sand knifefishes

17 species

1. 1Gymnorhamphichthys bogardusae Lundberg, 2005fresh · tropical
2. 2Gymnorhamphichthys britskii Carvalho, Ramos & Albert, 2011 · Drop Knifefishfresh · tropical
3. 3Gymnorhamphichthys hypostomus Ellis, 1912 · Morse Knifefishfresh · tropical
4. 4Gymnorhamphichthys petiti Géry & Vu, 1964fresh · tropical
5. 5Gymnorhamphichthys rondoni (Miranda Ribeiro, 1920) · Mousetail knifefishfresh · tropical
6. 6Gymnorhamphichthys rosamariae Schwassmann, 1989 · Sand knifefishfresh · tropical
7. 7Iracema caiana Triques, 1996 · Dashed knifefishfresh · tropical
8. 8Rhamphichthys apurensis (Fernández-Yépez, 1968) · Longnose knifefishfresh · tropical
9. 9Rhamphichthys atlanticus Triques, 1999 · Atlantic knifefishfresh · tropical
10. 10Rhamphichthys drepanium Triques, 1999 · Bow knifefishfresh · tropical
11. 11Rhamphichthys hahni (Meinken, 1937) · Roundnose knifefishfresh · temperate
12. 12Rhamphichthys heleios Carvalho & Albert, 2015 · Marsh knifefishfresh · tropical
13. 13Rhamphichthys lineatus Castelnau, 1855 · Line knifefishfresh · tropical
14. 14Rhamphichthys longior Triques, 1999 · Trombetas knifefishfresh · tropical
15. 15Rhamphichthys marmoratus Castelnau, 1855 · Marble knifefishfresh · tropical
16. 16Rhamphichthys pantherinus Castelnau, 1855 · Panther knifefishfresh · tropical
17. 17Rhamphichthys rostratus (Linnaeus, 1766) · Trompet knifefishfresh · subtropical

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