Gymnotus carapo Linnaeus, Taxonomic (Download Help) Gymnotus carapo TSN Notes: Reference for: Gymnotus carapo, banded knifefish . The banded knife fish Gymnotus carapo is among the most widely distributed, broadly adapted (eurytopic), and phenotypically variable fish species in South. Download scientific diagram | Geographic variation in Gymnotus carapo. from publication: Seven new species of the Neotropical electric fish Gymnotus (Teleo- .

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It gymnotsu has a modified swimbladder that acts as an accessory breathing organ. A review found that these were insufficient for recognizing the populations as separate species, but did recommend recognizing them as subspecies: Can survive when ditches, canals and small ponds dry out.

Gymnotus carapo Linnaeus, РGymnote rayé РPrésentation

This page was last edited on 13 Julyat We use multivariate statistics to quantify phenotypic differences within and among subspecies and species in aspects of pigmentation, caliper-based morphometrics, geometric morphometrics, meristics, and osteology. In other projects Wikimedia Commons Wikispecies. Email the author Login required. Also responds to vibratory stimuli water waves: Dried foods are not usually accepted. Found also in shallow edges of streams Ref.


Our results demonstrate significant, but not diagnostic, differences among specimens representing seven new subspecies: Central and South America: Relationship between EOD pattern and agonistic behavior in this species has been demonstrated Refs. Native range All suitable habitat. The strength and details of this pattern varies, both individually and depending on region. Sounds Ciguatera Speed Swim.

Gymnotus carapo, Banded knifefish : aquarium

Retrieved from ” https: This allows the fish to survive in polluted or hypoxic oxygen-deficient environments, and also comes in useful when waters recede at the end of the wet season if the fish becomes stranded, for example.

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The male takes care of the young by mouth brooding gymnnotus, and making and watching over a “nest”, a depression in the bottom where the female lays the eggs. Add your observation in Fish Watcher Native range All suitable habitat This map was computer-generated and has not yet been reviewed.

It also possesses electroreceptors, which allow the fish to receive electrical signals. Like other Gymnotids, it produces a weak electric field using specially-adapted muscle tissue located towards the tail. A very widespread species in both Central and South America. You can sponsor this page.


Here we assess the structure of phenotypic variation in G. From Wikipedia, the free encyclopedia. Articles with ‘species’ microformats. Moderate vulnerability 37 of Revision of the polytypic electric fish Gymnotus carapo Gymnotiformes, Teleosteiwith descriptions of seven subspecies.

Banded Knifefish

By using this site, you agree to the Terms of Use and Privacy Policy. Uses its long anal fin for locomotion. Parental care is provided by the male.

Freshwater; benthopelagic; pH range: The genus Gymnotus has undergone considerable taxonomic revision in recent years, with over 20 new species being described sinceincluding several that were originally considered to be G. These results support the use of the subspecies, but not the species, rank to recognize and name these regionally delimited taxonomic entities.

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There are also some morphometric variations depending on location. Entered by Torres, Armi G.