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Home > Gymnotus stenoleucus a most colorful knifefish
Gymnotus stenoleucus a most colorful knifefish
Gymnotus stenoleucus a most colorful knifefish
The knifefishes of the genus Gymnotus are the most attractive knifefishes at all - at least in respect of the coloration. They are so to say small Electric Eels. However, the electric impulses produced by Gymnotus are much weaker. They are used only for communication and for orientation and can be compared with the echolocation of the bats. Species of Gymnotus are medium sized fishes and reach a total length between 10 and 40 cm.
Gymnotus is a genus of fish in the order Gymnotiformes found widely in the Neotropics, including the Amazon. Some Gymnotus species live in the leaf litter and root tangles of river banks. Several species are broadly adapted to live in both of these habitats. Gymnotus are nocturnal predators feeding on insects, crustaceans, and other fish.
Sadly all members of the genus are very aggressive against conspecifics. So it is extremely difficult to keep them in groups. This is a sad thing, for at least one of the numerous species of Gymnotus has been proven in the meantime to be a mouthbrooder. So a lot of interesting observations can expect during a successful breeding.
Gymnotus stenoleucus is one of the smaller species of the genus. So far no specimens longer than 15 cm have been reported. Our specimens are even smaller, namely between 7 and 10 cm. They originate from Peru.
For our customers: the animals have code 255262 on our stock list. Please note that we exclusively supply the wholesale trade.
List of Knifefish species of the Genus Gymnotus
Gymnotus anguillaris Hoedeman, 1962
Gymnotus arapaima J. S. Albert & Crampton, 2001
Gymnotus ardilai Maldenado-Ocampo & J. S. Albert, 2004
Gymnotus bahianus Campos-da-Paz & W. J. E. M. Costa, 1996
Gymnotus capanema Milhomem, Crampton, Pieczarka, Shetka, D. S. Silva & Nagamachi, 2012 [3]
Gymnotus capitimaculatus Rangel-Pereira, 2014 [4]
Gymnotus carapo Linnaeus, 1758 (Banded knifefish)
Gymnotus cataniapo Mago-Leccia, 1994
Gymnotus chaviro Maxime & J. S. Albert, 2009
Gymnotus chimarrao Cognato, Richer-de-Forges, J. S. Albert & Crampton, 2008 [5]
Gymnotus choco J. S. Albert, Crampton & Maldenado-Ocampo, 2003
Gymnotus coatesi La Monte, 1935
Gymnotus coropinae Hoedeman, 1962
Gymnotus curupira Crampton, Thorsen & J. S. Albert, 2005
Gymnotus cylindricus La Monte, 1935
Gymnotus diamantinensis Campos-da-Paz, 2002
Gymnotus esmeraldas J. S. Albert & Crampton, 2003
Gymnotus henni J. S. Albert, Crampton & Maldenado-Ocampo, 2003
Gymnotus inaequilabiatus Valenciennes, 1842 [6]
Gymnotus interruptus Rangel-Pereira, 2012 [7]
Gymnotus javari J. S. Albert, Crampton & Hagedorn, 2003
Gymnotus jonasi J. S. Albert & Crampton, 2001
Gymnotus maculosus J. S. Albert & R. R. Miller, 1995 (Spotted knifefish)
Gymnotus mamiraua J. S. Albert & Crampton, 2001
Gymnotus melanopleura J. S. Albert & Crampton, 2001
Gymnotus obscurus Crampton, Thorsen & J. S. Albert, 2005
Gymnotus omarorum Richer-de-Forges, Crampton & J. S. Albert, 2009
Gymnotus onca J. S. Albert & Crampton, 2001
Gymnotus panamensis J. S. Albert & Crampton, 2003
Gymnotus pantanal Fernandes-Matioli, J. S. Albert, Daniel-Silva, C. E. Lopes, Crampton & Almeida-Toledo, 2005
Gymnotus pantherinus Steindachner, 1908
Gymnotus paraguensis J. S. Albert & Crampton, 2003
Gymnotus pedanopterus Mago-Leccia, 1994
Gymnotus stenoleucus Mago-Leccia, 1994
Gymnotus sylvius J. S. Albert & Fernandes-Matioli, 1999
Gymnotus tigre J. S. Albert & Crampton, 2003
Gymnotus tiquie Maxime, F. C. T. Lima & J. S. Albert, 2011
Gymnotus ucamara Crampton, Lovejoy & J. S. Albert, 2003
Gymnotus varzea Crampton, Thorsen & J. S. Albert, 2005
References
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