Back سمك سكين الشبح الأسود Arabic سمك سكين الشبح الاسود ARZ Черен нож Bulgarian Apteronotus albifrons Catalan Apteronotus albifrons CEB Black ghost (fisk) Danish Weißstirn-Messerfisch German Apteronotus albifrons Spanish Apteronotus albifrons Basque کاردماهی شبح سیاه Persian
| Black ghost knifefish | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gymnotiformes |
| Family: | Apteronotidae |
| Genus: | Apteronotus |
| Species: | A. albifrons
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| Binomial name | |
| Apteronotus albifrons (Linnaeus, 1766)
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The black ghost knifefish (Apteronotus albifrons) is a tropical fish belonging to the ghost knifefish family (Apteronotidae). They originate in freshwater habitats in South America where they range from Venezuela to the Paraguay–Paraná River, including the Amazon Basin.[2] They are popular in aquaria. 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 moves mainly by undulating a long fin on its underside. It will grow to a length of 45–50 centimetres (18–20 in).
Black ghost knifefish are nocturnal. They are a weakly electric fish which use an electric organ and receptors distributed over the length of their body in order to locate prey, including insect larvae.[3]
- ^ Frederico, R.G. (2022). "Apteronotus albifrons". IUCN Red List of Threatened Species. 2022: e.T49829499A159047904. doi:10.2305/IUCN.UK.2022-2.RLTS.T49829499A159047904.en.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Apteronotus albifrons". FishBase. May 2005 version.
- ^ Nelson M. E. & MacIver M. A. (1999). "Prey capture in the weakly electric fish Apteronotus albifrons: sensory acquisition strategies and electrosensory consequences". J. Exp. Biol. 202: 1195–1203, pdf