Cornish Jack


The largest member of the family Mormyridae, the Cornish Jack (Mormyrops anguilloides) or the African carp, is a weakly electric fish found in the tropical freshwater of Sub-Saharan Africa. In the wild, they feed on fish, crustaceans, and insect larvae. Beware! They can be very territorial in the aquarium.



Cornish Jack (Mormyrops anguilloides)

Origin: Wild Central Africa
Locale: Congo River Basin
Diet: Live fish, frozen & prepared diets
Adult Size: 50″+
Recommended Tank Size: 300 gallon plus
Compatibility: Predator, extremely aggressive towards most tankmates.
Preferred Water Parameters
pH:                          6.2 – 7.2
Temp:                     76-82F
Ammonia:              0ppm
Nitrite:                    0ppm
Nitrate:                  <30ppm