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Apteronotus albifrons - Black ghost knifefishMagyarul / Hungarian
Apteronotus albifrons - Black ghost knifefishApteronotus albifrons - Black ghost knifefishApteronotus albifrons - Black ghost knifefishApteronotus albifrons - Black ghost knifefish
  • Scientific name: Apteronotus albifrons
  • Synonyms: Sternarchus albifrons, S. maximiliani, Gymnotus albifrons
  • Common name: Black ghost knifefish
  • Group: Other fishes
  • Habitat: South America; Amazon basin: Brazil, Peru, Ecuador, Venezuela, Guyana
  • Size: 50 cm
  • Biotope: Natively lives in fast moving, sandy bottom creeks
  • Social behavior: May be aggressive. If properly cared for, they can become quite trusting and can be kept with larger peaceful species. They will eat smaller fish in the tank and are intolerant of conspecifics.
  • Diet: Omnivorous; all types of live foods, chopped earthworms, occassionally oatmeal.
  • Breeding: Unsuccessful and little is known about their reproductive behavior.
  • Tank: Minimum 500 litres
  • Population: 1 fish for 500 litres
  • Decoration: The fish are generally timid and should be kept in a dark aquarium with numerous hiding places such as roots and rocks. Needs a fine gravel bottom with many plants.
  • Temperature: 23-28°C
  • pH: 6-7
  • Hardness: 1-15NK°
  • Lifespan: 8-10 years

Description: The fish is all black except for two white rings on its tail, and a white blaze on its nose, which can occasionally extend into a stripe down its back. It does not have scales. They have a long anal fin that starts at the base of the pectoral fins. The caudal penuncle is also long, and the rounded caudal fin is very small. The small Dorsal fin is filamentous. This fish is extremely sensitive to medications including copper and many of the more effective ich cures.

The fish will soon become too large for a home tank though they are often maintained in public aquariums. They are very sensitive to water conditions. The fish possesses a weak electrical organ at the caudal peduncles. It is used to search for food. There is no way to determine the sex of this fish just by looking at it. The Black Ghost can live for approximately 10 years or more in the aquarium if they are well cared for.

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