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Gymnorhamphichthys hypostomus Ellis, 1912
Life   Vertebrata   Fish   Rhamphichthyidae   Gymnorhamphichthys


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Gymnorhamphichthys&speciesname=hypostomus ---> http://www.fishbase.org/summary/Gymnorhamphichthys-hypostomus.html
http://www.fishbase.org/summary/Gymnorhamphichthys-hypostomus.html ---> https://www.fishbase.se/summary/Gymnorhamphichthys-hypostomus.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Gymnorhamphichthys hypostomus Ellis , 1912

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Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Gymnotiformes (Knifefishes) > Rhamphichthyidae (Sand knifefishes)
Etymology: Gymnorhamphichthys: Greek, gymnos = naked + Greek. Rhamphos = beak, bill + Greek, ichthys = fish (Ref. 45335 ) .

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: upper Mamoré and Orinoco River basins.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 21.5 cm TL male/unsexed; (Ref. 2037 )

Biology     Glossary (e.g. epibenthic)

Buried in the sand during the day, emerging at dusk and remain active until just before dawn (Ref. 10809 ). Field observation showed that the electric organ discharge (EOD) rate of this species start rising just before sunset, increasing to over 2-folds just after dark when the fish comes out of the sand, and decreasing when the fish returns to the sand well before dawn. Experimental studies suggest internal control of this cyclic behavior (Ref. 10810 ). There is evidence of fractional spawning; fecundity count was 65 eggs (Ref. 10644 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Campos-da-Paz, Ricardo | Collaborators

Mago-Leccia, F. , 1994. Electric fishes of the continental waters of America. Fundacion para el Desarrollo de las Ciencias Fisicas, Matematicas y Naturales (FUDECI), Biblioteca de la Academia de Ciencias Fisicas. Matematicas y Naturales, Caracas, Venezuela. vol. 29 . 206 p. (Ref. 26457 )

IUCN Red List Status (Ref. 120744 )

    Not Evaluated  

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search ) | FishSource |

More information

Countries
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Ecology
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Common names
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Reproduction
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Fecundity
Eggs
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Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high]. Trophic Level (Ref. 69278 ):  3.2   ±0.4 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  . Vulnerability (Ref. 59153 ):  Low vulnerability (11 of 100) .

Entered by Binohlan, Crispina B. Modified by Binohlan, Crispina B. Fish Forum
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Updated: 2019-12-09 12:42:07 gmt
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