Fin's Fish Guide
Family within Characins, tetras & piranhas → 
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Rhamphichthyidae
5 species in this family
The Rhamphichthyidae family belongs to the characins, tetras & piranhas and includes 5 species in the guide. You find them all below, with photos, identification details and distribution. Identify them in the field with the Fin's Fish Guide app.
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Marbled knifefish
Rhamphichthys marmoratus
Rhamphichthyidae
Morse Knifefish
Gymnorhamphichthys hypostomus
Rhamphichthyidae
Mousetail knifefish
Gymnorhamphichthys rondoni
Rhamphichthyidae
Sickle knifefish
Rhamphichthys drepanium
Rhamphichthyidae
Trompet knifefish
Rhamphichthys rostratus
Rhamphichthyidae