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FishBase Names Scientific source: Integrated Taxonomic Information System Supported by National Biological Information Infrastructure National Science Foundation go to Discover Life's Facebook group Following modified from FishBase    Top | See original http://www.fishbase.org/Summary/speciesSummary.php?genusname=Gymnotus&speciesname=arapaima ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Gymnotus&speciesname=arapaima http://52.67.158.155/Summary/speciesSummary.php?genusname=Gymnotus&speciesname=arapaima ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Gymnotus&speciesname=arapaima https://fishbase.net.br/Summary/speciesSummary.php?genusname=Gymnotus&speciesname=arapaima ---> https://fishbase.net.br/summary/Gymnotus-arapaima.html You can sponsor this page Common name (e.g. trout) contains begins with begins with ends with is Genus + Species (e.g. Gadus morhua) About this page More Info Plus d'info Mais info Languages Arabic Bahasa/Malay Bangla Chinese(Si) Chinese(Tr) Deutsch English Español Farsi Français Greek Hindi Italiano Japanese Lao Nederlands Português(Br) Português(Pt) Russian Swedish Thai Vietnamese User feedbacks Comments &   Corrections Fish Forum Guest Book Facebook Citation Uploads Attach website Upload photo Upload video Upload   references Fish Watcher Related species Species in    Gymnotus Species in    Gymnotidae - Classification - Gymnotinae Gymnotidae Gymnotiformes Teleostei Chordata Animalia Gymnotus arapaima Albert & Crampton , 2001 Upload your photos  and  videos Google image No image available for this species; drawing shows typical species in Gymnotidae. Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa Teleostei (teleosts) > Gymnotiformes (Knifefishes) > Gymnotidae (Naked-back knifefishes) > Gymnotinae Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335 ) ;   arapaima: Named for the pirarucu Arapaima gigas (Teleostei: Osteoglossomorpha), referring to the elongate and slightly depressed head, which it resembles. Noun in apposition. . Environment: milieu / climate zone / depth range / distribution range Ecology Freshwater; demersal; pH range: 6.3 - 7.2. Subtropical Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri South America: Mamirauá lake system, Lago Tefé, and terra firme swamps near the town of Tefé in Central Amazonia. Size / Weight / Age Maturity: L m   ?   range ? - ? cm Max length : 55.0 cm TL male/unsexed; (Ref. 41292 ); max. published weight: 450.00 g (Ref. 41292 ) Short description Morphology | Morphometrics Possess reverse counter shading (lighter on top) in which the dark bands are interrupted dorsally and the pale interband regions merge on the dorsum and in which the dorsum has a silver-blue sheen in life, and very large anterior nares (diameter about that of eye), associated with a large cleft in the anterolateral margin of the ethmoid region resulting in a square anterior margin of snout between the anterior nares. With deep body (body depth 11-13% TL versus 6-10): long head (head length 12.7-13.6% TL versus 8.8-12.6), and depressed head (head depth 53-57% TL versus 58-64) (Ref. 41292 ). Biology     Glossary (e.g. epibenthic) Facultative air-breathing in the genus (Ref. 126274 ); Juveniles commonly collected in várzea floating meadows, adults in várzea flooded forest but rarely caught in floating meadows where they are presumed to spawn. Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae Main reference Upload your references | References | Coordinator : Campos-da-Paz, Ricardo | Collaborators Albert, J.S. and W.G.R. Crampton , 2001. Five new species of Gymnotus (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292 ) IUCN Red List Status (Ref. 130435 )   Least Concern (LC)  ; Date assessed: 12 August 2020 CITES Not Evaluated CMS (Ref. 116361 ) Not Evaluated Threat to humans   Harmless Human uses FAO - Publication: search | FishSource | More information Countries FAO areas Ecosystems Occurrences Introductions Stocks Ecology Diet Food items Food consumption Ration Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Spawning aggregation Fecundity Eggs Egg development Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance BRUVS References Aquaculture Aquaculture profile Strains Genetics Electrophoreses Heritability Diseases Processing Nutrients Mass conversion Collaborators Pictures Stamps, Coins Misc. Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision Tools E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY | Special reports Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets Download XML Summary page | Point data | Common names | Photos Internet sources AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record Estimates based on models Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00437 (0.00209 - 0.00911), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.2   ±0.40 se; based on food items. Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Moderate vulnerability (42 of 100). Comments & Corrections Back to Search Random Species Back to Top Accessed through: Not available FishBase mirror site : Laguna, Philippines Page last modified by : mrius-barile Updated: 2024-04-25 07:09:26 gmt FishBase | Search | All Living Things | Top © Designed by The Polistes Corporation