 |
| Gymnarchus noliticus
photo by Moreau, J. |
The
species mainly associated with electrical communication belong to the families
Gymnotidae,
Hypopomidae,
Mormyridae,
Gymrarchidae,
Sternopygidae,
and a few members of the families
Malaptururidae,
Rajidae,
Uranoscopidae,
and Torpedinidae. These fish are mostly freshwater fish from
South America and Africa
| The
primary groups that use electrical communication are the gymnotids from
South America and the mormyrids from Africa
(Hopkins, 1974) |
|
| Gymnarchus noliticus
photo by Moreau, J. |
 |
|
| Mormyrus rume
photo care of FishBase Ref. No. 11970 |
|
 Raja clavata photo by Ekeli, K.O. |