GYMNOTUS CARAPO PDF

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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Freshwater; benthopelagic; pH range: Banded knifefish Old illustrations uppermost showing shape well, lower typical colors Scientific classification Kingdom: Possible tankmates include large, robust cichlids such as Cichla or Geophagus sp.

The strength and details of this pattern varies, both individually and depending on region. Phylogenetic diversity index Ref.

Summary page Point data Common names Photos. This system is used for navigation, finding prey and communicating with other G. With these, the fish can sense the tiniest of movements as the field around it is disturbed, and navigate in total darkness, useful skills when hunting prey or avoiding predators in the dark.

Banded knifefish

Native range All suitable habitat. These results support the use of the subspecies, but not the species, rank to recognize and name these regionally delimited taxonomic entities. Email the author Login required. The male sits on a depression with its anal fin expanded horizontally guarding a cluster of larvae.

Estimates of some properties based on models Phylogenetic diversity index Ref. It also has a modified swimbladder that acts as an accessory breathing organ.

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The banded knifefish Gymnotus carapo is a species of gymniform knifefish native to a wide range of freshwater habitats in South America.

The male takes care of the young by mouth broodingand making and watching over a “nest”, a depression in the bottom where the female lays the eggs.

Revision of the polytypic electric fish Gymnotus carapo Gymnotiformes, Teleosteiwith descriptions of seven subspecies. Found also in shallow edges of streams Ref. Feed live and frozen foods such as bloodwormprawns, earthworms, tubifex etc. 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.

Keywords Pisces, Alpha taxonomy, biodiversity assessment, species delimitation, taxonomic inflation. Gymnotidae Weakly electric fish Fish described in It also possesses gy,notus, which allow the fish to receive electrical signals. A very widespread species in both Central and South America. More larvae are spread out in leaf litter up to 2 m away Ref. Uses its long anal fin for locomotion. You can sponsor this page.

Feeds mainly at night on worms, insects e.

Ctenobrycon and Curimata and plant matter Ref. The banded knife fish Gymnotus carapo is among the most widely distributed, broadly adapted eurytopicand phenotypically variable fish species in South America, with a geographic range of about 14 million km 2 gymntous, from the Llanos of Venezuela to the Pampas of northern Argentina.

Our results demonstrate significant, but not diagnostic, differences among specimens representing seven new subspecies: Views Read Edit View history. Inhabits turbid slow moving or standing waters Ref.

Gymnotus carapo, Banded knifefish : aquarium

Medium, minimum population gymnotu time 1. By using this site, you agree to the Terms of Use and Privacy Policy. Abstract The banded knife fish Gymnotus carapo is among the most widely distributed, broadly adapted eurytopicand phenotypically variable fish species in South America, with a geographic range of about 14 million km 2from the Llanos of Venezuela to the Pampas of northern Argentina.

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Mouth brooding by males is observed in this species Ref. Main reference Upload your references References Coordinator: There are also some morphometric variations depending on location. Article Tools Print this article. From Wikipedia, the free encyclopedia. This map was computer-generated and has not yet been reviewed.

It breeds during the wet season and is a paternal mouthbrooder with the male also building a carapoo, in which he broods and protects the eggs and fry. Moderate vulnerability 37 of Relationship between EOD pattern and agonistic behavior in this species has been demonstrated Refs.

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. Sounds Ciguatera Speed Swim. Subscription Login to verify subscription.

Like other Gymnotids, it produces a weak electric field using specially-adapted muscle tissue located towards the tail.