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3 species ยท 3 commonly kept

Arowanas, knifefish & elephantnoses

Every species in this group on the site (Arowanas, knifefish & elephantnoses). Commonly kept species are listed first; use the chips to show only commonly kept fish, or jump to a genus.

Group care guide

Bonytongues, knifefish and elephantnoses

  • Very large tanks for arowanas and knifefish; jumpers need tight lids. Elephantnoses need soft substrate and dim light.
  • Live and frozen meaty foods.

Sources 117119164118

Banded knifefish
No federal permit

Banded knifefish

Gymnotus carapo

Aquarium hobby

Advanced
Electric eel
No federal permit

Electric eel

Electrophorus electricus

Aquarium hobby

Advanced
Freshwater butterflyfish
No federal permit

Freshwater butterflyfish

Pantodon buchholzi

Aquarium hobby

Advanced