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The Black Ghost knifefish, prominently found in several countries of South America, belongs to the family of ray-finned fishes Apteronotidae. The ghost knifefishes primarily originated in the freshwater and deep waters of Brazil, Argentina, Venezuela, and Bolivia. But people usually keep them in aquariums. Around 89 species are from the ghost knife fish family and one of them is the black ghost knife fish (Apteronotus albifrons). These fishes are prominently found in the rivers of Brazil, Argentina, Venezuela, and Bolivia.
The length of a few species is around 6-10 in (15-25 cm) while species such as the black ghost knifefish (Apteronotus albifrons) are more than 19 in (50 cm) long. Unlike most fishes, the black ghost knifefishes don't have a caudal fin or tail fin and move with the help of an anal fin on the back. Another feature that differentiates the black ghost knifefishes from other species is the 'electric organ discharge' or EOD through which the fishes communicate with each other. People also refer to the fish as the cousin of the electric eel.
The scaleless fish is quite aggressive as well and prey on insect larvae and fishes. The International Union for Conservation of Nature has not evaluated the conservation status of the black ghost knifefish yet.
A Ghost knifefish is a carnivore fish generally found in different parts of South America prominently in the Bolivarian Republic of Venezuela and Brazil. There are around 89 species and the black ghost knifefish (Apteronotus albifrons) is the major species of the ghost knifefish.
The black ghost host knife fish belongs to the family Apteronotidae. They are of the Actinopterygii class and Ictiobus genus. The freshwater fish primarily prey on insect larvae, small fishes while those living in aquariums are fed frozen meat, brine shrimp, and fish food.
The exact population of the black ghost knifefish (Apteronotus albifrons) is not known as of now but the fishes are widely distributed throughout the South American continent.
The black ghost knifefish (Apteronotus albifrons) and other species of the ghost knife fish are primarily found in the different regions of the South American continent. The fishes can easily be spotted in the rivers of Venezuela, Bolivia, Argentina, Brazil, Paraguay, and many more. From Venezuela, Parana River in Brazil, to Amazon Basin, the black ghost fish can easily be found.
The black ghost knife fish is a tropical freshwater fish and is majorly found in rivers and great lakes of South America. Many people also love to keep the black ghost knifefish (Apteronotus albifrons) as a pet and keep them in a large aquarium.
Species such as the black ghost knifefish (Apteronotus albifrons) are nocturnal and remain active during the night. But during the breeding period, the fishes come together. The fishes can also become quite aggressive when put in a tank with other knifefish species.
The black ghost knifefish (Apteronotus albifrons) live for around 10-15 years.
The black ghost knife fish (Apteronotus albifrons) breed only after attaining maturity. The exact process of breeding in freshwater or rivers is not known. But the black ghost knifefish are bred in a fish tank, large aquarium, and ponds. Several water parameters such as the optimum breeding temperature, consistency are required for breeding. Also, the fish tank size should be large enough, placed in a dark location for the black ghosts, should have enough hiding places. The water temperature needs to be exactly 27-degree Celcius. All these water parameters are required to make the female black ghosts safe. Without these vital parameters, the female would not lay eggs. Unlike, other species the black ghost knife fish found in rivers usually prey on their own eggs after spawning and have no parental involvement with the eggs. People generally remove the adult ghost knife fishes after the process of spawning or mating.
The International Union for Conservation of Nature has listed the fish species in the Least Concern category. The fishes can easily be found in the rivers of South America.
The black ghost knife fish is quite large in size and as the name suggests the fish has a black thick body with rings on the tail and a white stripe on the nose. As the fishes lack the caudal fin, they move with the help of their anal fin that looks so fascinating. Their curved body resembles a huge knife. Also, they have white rings on their tail.
The black ghost knifefish are quite fascinating or alluring and you can find these fishes majorly in aquariums. Their bodies are curved in shape and resemble a huge knife. These fishes are best known for their electric organ and it is also said that they belong to the family of the electric eel.
Like any other species, the ghost knifefishes communicate the same way. Generally, fishes communicate through their touch and some studies also reveal that by the darkening of the skin, and sense of smell these fishes communicate. A unique characteristic of the black ghost knifefish is the use of electric organ discharges or EODs. Unlike other fishes, the black ghost knifefish receive and sense the electric impulse through which they can communicate with each other when they sense the EODs.
The black ghost knife fish is one of the biggest species of ghost knife fish. The fishes are known for their speed of growth. The average size of the black ghost knife fish is 19 in (50 cm) but some of them grow 23 in (60 cm) long. Research also suggests that the black ghost knife fish grows around 5-6 in (12-15 cm). The black ghost knifefish is five times larger than a few species of catfish.
The exact speed of the ghost knifefish is not known at the moment but the black ghost knife fish is quite active during the nights. Also, the native people believe that these fishes have some ghost-like characteristics as they move very swiftly and disappear within seconds.
No information regarding the black ghost knife fish is available as of now. These fishes are quite large so may not be the quickest swimmers.
There are no such names given to the male and female species of the black ghost knife fish. People usually observe the eyes of the fish to determine the sex of the fish. The male fish have eyes on top of the head while the females have eyes on the front of their heads. Also, the female black fishes generate the electric organ discharges at a higher frequency compared to the males.
People often call a baby black ghost knife fish an alevin. The term, Alevin is used to refer to the newly hatched babies or juveniles.
The black ghost knife fishes are found either in freshwater or in aquariums. The fishes are carnivores, the species found in rivers and lakes generally prey on small insects, fishes, crustaceans. While those living at homes and large aquariums are fed frozen meat, earthworms, small pellets, fish foods, planktons.
The black ghost knife fish is quite large compared to other species of the ghost knife family and has no teeth but a beak that can harm humans especially kids. These fishes become aggressive with other species of knifefish. Most of the other species of ghost fishes are very shy less aggressive.
The ghost knife fish is often regarded as a peaceful fish of rivers and lakes but species such as the black knifefish is semi-aggressive or aggressive with their tank mates. Many people throughout the world consider the fishes as pets. But several prerequisites should be kept in mind before keeping a black ghost knife fish as a pet such as the size of the tank, suitable water temperature, the pH level, tank mates, proper diet, and many more. These fishes are one of the beautiful and fascinating species but at the same time the hardest to care for.
If you have decided to keep them then you can find a marble black ghost knifefish on several websites or pet stores around you.
The Bakken Museum, situated in the state of the United State, Minneapolis has a device that converts the electric signals of the black ghost knife fish into audible sounds. Also, the female black knife fish generates the electric organ discharges at a higher frequency compared to the males.
Unlike other species, the black ghost knife fish is prone to several skin diseases. White spots and parasite diseases are a few common problems.
These fishes have made a prominent place in the ghost stories of the South American continent. The native tribes believe that the ghosts of the deceased inhabit the body of the black ghost knife fish. Also, these fishes move quickly to catch the prey and disappear within seconds.
Before taking them home, several things should be kept in mind such as minimum tank size, proper water conditions, the diet, and many more. It is suggested that the minimum tank size should be 100 gallons. Also, sand and fine gravel should be used to make a suitable environment for the fishes. The aquarium's water temperature should be around 27-degrees Celcius, and the pH level should be between 6.5-8. The main purpose of maintaining such water conditions and arrangements is to resemble their natural habitat's wet season.
Also, the black ghost knifefish needs more space compared to other fishes. The size of the aquarium should not be less than 100 gallons as small and confined space make the fish more aggressive. Also, it is suggested not to keep the fishes of similar species as they could turn wilder quite easily. People generally keep peaceful fishes such as corydoras, catfish, discus fish with the black ghost knifefish.
You can even occupy yourself at home by drawing one on our Black ghost knifefish coloring pages.
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