By Obiabin Onukwugha
An electric fish is any fish that can generate electric fields. Most electric fish are also electroreceptive, meaning that they can sense electric fields. Electric fish.
Electric fish produce their electrical fields from an electric organ. This is made up of electrocytes, modified muscle or nerve cells, specialized for producing strong electric fields, used to locate prey, for defence against predators, and for signalling, such as in courtship. Electric organ discharges are two types, pulse and wave, and vary both by species and by function.
One of the more unique species of electric fish is the electric catfish (Malapterurus electricus), which is native to the rivers in Central and West Africa. They are found in tropical Africa and the Nile River.
According to Scientists, several species of this family have the ability to generate electricity, delivering a shock of up to 350 volts from its electric organ.
Electric catfish are usually nocturnal and carnivorous. Some species feed primarily on other fish, incapacitating their prey with electric discharges, but others are generalist bottom foragers, feeding on things like invertebrates, fish eggs, and detritus.
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Researchers say, to hunt their prey, electric catfish employ various techniques, including ambushing and stalking. Their electric sense plays a crucial role in locating prey, as they can detect the electrical signals produced by their potential meals.
The shock of these catfish is used to stun prey and in defense. It is not known to be fatal to humans.
Reproduction in electric catfish occurs through sexual reproduction. During the breeding season, males and females form pairs. Males engage in elaborate courtship rituals to attract females, which may involve fin displays, circling behaviors, and electrical signaling. After mating, females lay eggs that are fertilized externally. The male takes on the responsibility of guarding and protecting the eggs until they hatch.
The largest of electric cat fish can grow to about 1.2 meters (3 ft) long, but most species are far smaller.
It is called “Eja Ojiji” in Yoruba, “mikiya’ in Hausa and ” azu ojiji” in Igbo.
In ancient Egypt, they held historical and cultural importance, as evidenced by their depictions in ancient Egyptian tombs and hieroglyphics.
In modern times, electric catfish have economic importance in the fisheries and aquaculture industry. They are bred and sold for the aquarium trade and are also consumed as food.
