Mormyridae

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Mormyridae, or Elephantfish, are freshwater fishes native to Africa in the order Osteoglossiformes. It is by far the largest family in the order with around 200 species. There are 2 sub-families, Mormyrinae and Petrocephalinae.


Common name Difficulty Maximum Size Minimum Tank Size
Campylomormyrus tamandua Double-Trunk Elephantnose
Wormjawed Mormyrid
Blunt-Jaw Elephantnose
Moderate 15.74803149606315.748 in40 cm 5555 gal208.198 liters
208,197.648 mL
Gnathonemus petersii Peter's Elephantnose
Elephantfish
Moderate 13.77952755905513.78 in35 cm 120120 gal454.249 liters
454,249.414 mL
Petrocephalus bovei bovei Baby Whale Challenging 4.33070866141734.331 in11 cm 2525 gal94.635 liters
94,635.295 mL
Pollimyrus castelnaui Dwarf Stonebasher
Baby Whale
Moderate 33 in7.62 cm 4545 gal170.344 liters
170,343.53 mL
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