Home›Species›Taxonomy›CharaciformesTaxaCharaciformesFish OrdersReference and ClassificationThoroughly VerifiedCharaciformes is an order of ray-finned fish comprising the characins and their allies, grouped into 18 recognized families with more than 2,000 described species, including the well-known piranhas and tetras. Characins are most diverse in the Neotropics, found throughout lakes and rivers of South and Central America, with at least 209 further species native to Africa.FactsCharaciformesConnectionsIn the Other AtlasesSourcesComments (0)Reader Challenges (0)FactsTaxonomic RankWell-attestedOrder 1Scientific NameWell-attestedCharaciformes 1Geographic DistributionWell-attestedMost diverse in the Neotropics, in lakes and rivers of South and Central America 1Defining CharacteristicsWell-attestedWeberian apparatus connecting swim bladder and inner ear 1IdentificationDistinguishing AppearanceWell-attestedBody almost always covered in well-defined scales 1ClassificationLiving or ExtinctWell-attestedYes 2CharaciformesFilter Results6 entriesCommon GroupAllOther Bony Fish (6)HabitatAllFreshwater (4)River (2)Conservation StatusAllEndangered (1)Least Concern (4)EcosystemAllAmazon Rainforest (2)Lake Tanganyika (1)Everyday GroupAllOther Bony Fish (6)DietAllCarnivore (3)Omnivore (2)System (Realm)AllFreshwater (6)Relationship to PeopleAllFarmed or Commercially Raised (1)Hunted or Fished (2)Invasive or Introduced Species (1)Kept as Pets (4)Living or ExtinctAllYes (4)Where It LivesAllArgentina (1)Bangladesh (1)Barbados (1)Bolivia (2)Brazil (2)Canada (1)China (1)Colombia (3)Ecuador (2)Germany (1)Guyana (2)India (1)Indonesia (2)Italy (1)Mexico (3)Nepal (1)North America (1)Paraguay (1)Peru (2)Philippines (1)South America (1)The Guianas (1)United States (2)Uruguay (1)Venezuela (1)Vietnam (1)Show ResultsBrowseCompareSelect all 6Astyanax jordaniCharaciformesGoliath Tigerfish (Hydrocynus goliath)CharaciformesMexican tetraCharaciformesPacuCharaciformesPayaraCharaciformesRed-bellied PiranhaCharaciformesConnectionsParent Taxon OfAstyanax jordani, Species Well-attested Source Astyanax jordani (Wikidata)tier 2Goliath Tigerfish (Hydrocynus goliath), Species Well-attested Source Hydrocynus goliath (Wikidata)tier 2Mexican tetra, Species Well-attested Source Mexican tetra (Wikidata)tier 2Pacu, Species Well-attested Source GBIF Backbone Taxonomy: SerrasalmidaePayara, Species Well-attested Source Wikidata: PayaraRed-bellied Piranha, Species Well-attested Source Wikidata: Red-bellied PiranhaIn the Other AtlasesFound InCentral AmericaAlso in Geography Atlas: where this subject is found.TropicsAlso in Geography Atlas: where this subject is found.Sources1. Characiformes, WikipediaLead paragraphCharaciformes is an order of ray-finned fish, comprising the characins and their allies.DistributionCharacins are most diverse in the Neotropics, where they are found in lakes and rivers throughout most of South and Central America.Anatomy, Weberian apparatusCharacins possess a Weberian apparatus, a series of bony parts connecting the swim bladder and inner ear.Anatomy, bodyThe body is almost always covered in well-defined scales.In Group: Carp, Catfish and Tetra Orders (Ostariophysi), LeadCharaciformes is an order of ray-finned fish, comprising the characins and their allies.View the Source2. Wikidata (taxon extant/extinct status)tier 2Wikimedia Foundation / Wikidata contributorsQ217458, descriptionView the SourceWikidata: CharaciformesWikidata Q217458, class allow-list match (w-wdresolver-0926)View the SourceWikidata: Red-bellied PiranhaParent Taxon Of: Red-bellied Piranha, Wikidata parent-taxon (P171) chainView the SourceHydrocynus goliath (Wikidata)tier 2WikidataParent Taxon Of: Goliath Tigerfish (Hydrocynus goliath), Wikidata parent-taxon (P171) chainView the SourceMexican tetra (Wikidata)tier 2WikidataParent Taxon Of: Mexican tetra, Wikidata parent-taxon (P171) chainView the SourceAstyanax jordani (Wikidata)tier 2WikidataParent Taxon Of: Astyanax jordani, Wikidata parent-taxon (P171) chainView the SourceWikidata: PayaraParent Taxon Of: Payara, Wikidata parent-taxon (P171) chainView the SourceGBIF Backbone Taxonomy: SerrasalmidaeGBIF Backbone TaxonomyParent Taxon Of: Pacu, Taxon recordQuote, Parent Taxon Of: Pacu, Taxon record"order": "Characiformes"View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.