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Black Ghost knifefish get to a maximum size of 50 cm (20 in) in the wild, but usually stop growing at 30 cm (12 in) in home aquaria, although they may grow to 38 cm (15 in) in a larger tank. They should be provided with a shelter (such as a plastic tube or driftwood) in which to hide.
The ghost knifefishes are a family, Apteronotidae, of ray-finned fishes in the order Gymnotiformes. These fish are native to Panama and South America . [ 1 ] They inhabit a wide range of freshwater habitats, but more than half the species in the family are found deep in rivers (typically deeper than 5 m or 16 ft) where there is little or no light.
Apteronotus is a genus of weakly electric knifefish in the family Apteronotidae, distinguished by the presence of a tiny tail fin.This genus is restricted to tropical and subtropical South America (Amazon, Orinoco, Río de la Plata and Magdalena basins, as well as rivers in western Colombia and the Guianas) and Panama where found in a wide range of freshwater habitats.
Black ghost knifefish: Apteronotus albifrons: 50 cm (19.5 in) Not to be confused with the featherback "knifefish" of the Bonytongue group (see above) 23-28C (73-82F) 6.0-8.0 Brown ghost knifefish: Apteronotus leptorhynchus: 27 cm (10.5 in) Glass knifefish: Eigenmannia virescens: 44 cm (17.5 in) Electric eel: Electrophorus electricus: 200 cm (78 ...
The scales of the knifefish are extremely small, giving it a smooth appearance broken only by its fairly prominent lateral line. Apart from its eyes, the lateral line is the knifefish's most important sensory apparatus. The African brown knifefish is nocturnal and uses the nerve-filled pits running down its body to navigate lightless waters. In ...
Could this be the “Mekong Ghost,” they asked - an elusive fish that hadn’t been seen since 2005 and was feared extinct? When scientists heard reports that a large, mysterious fish had been ...
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Parapteronotus hasemani, the duckbill knifefish, is a species of ghost knifefish found in main river channels and along the margins in the Amazon basin of Brazil and Peru. It is the only member of the genus Parapteronotus. This dark-colored knifefish reaches up to about 38 cm (15 in) in total length. [1] [2]