Poeciliids (Poeciliidae)
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General data

Main name: Poeciliids

Classification

Description

As the common name of this family implies, the Poeciliidae are characterised by giving birth to live young. Other family characteristics include a single soft-rayed dorsal fin and no lateral line. On male poeciliids, the anal fin has evolved into a structure known as a gonopodium that is used to transfer sperm bundles to the female fish. Poeciliidae are generally small; less than 100 mm in length, and usually the female is much larger than the male. The Poeciliidae are native to the Americas, extending from the upper Mississippi valley through Central America down to Argentina. There may be up to 300 species in this family and many are popular with aquarists.

Genera

Gambusia

Poecilia

Pike topminnow (Belonesox)

Poeciliopsis

Alfaro

Brachyrhaphis

Carlhubbsia

Cnesterodon

Girardinus

Heterandria

Heterophallus

Limia

Micropoecilia

Neoheterandria

Pamphorichthys

Phallichthys

Phalloceros

Phalloptychus

Phallotorynus

Priapella

Priapichthys

Pseudopoecilia

Pseudoxiphophorus

Quintana

Scolichthys

Tomeurus

Xenodexia

Xenophallus

Xiphophorus

Taxonomy of Fishes

Osteichthyes - Bony fishes->
- Coelacanthi - Lobe-finned fishes->
- Teleostei - Ray-finned fishes->
  - Perciformes - Perches->
  - Cypriniformes - Carps->
  - Esociformes - Pikes->
  - Salmoniformes - Salmons and Trouts->
  - Siluriformes - Catfishes->
  - Scorpaeniformes - Mail-cheeked fishes->
  - Gasterosteiformes - Sticklebacks->
  - Gadiformes - Cods->
  - Anguilliformes - Eels and morays->
  - Clupeiformes - Herrings->
  - Syngnathiformes - Pipefishes and Seahorses->
  - Gobiiformes - Gobies->
  - Mugiliformes - Mullets->
  - Carangiformes - Jacks->
  - Beloniformes - Needlefishes->
  - Labriformes - Wrasses->
  - Scombriformes - Mackerels->
  - Mulliformes - Goatfishes->
  - Pleuronectiformes - Flatfishes->
  - Aulopiformes - Grinners->
  - Blenniiformes - Blennies->
  - Cyprinodontiformes - Toothcarps->
    
    Poeciliidae - Poeciliids->
    
    Aphaniidae - Oriental killifishes->
    
    Valenciidae - Valencia toothcarp->
    
    Fundulidae - North American killifishes->
    
    Cyprinodontidae - Pupfishes->
    
    Anablepidae - Four-eyed fishes, onesided livebearers and white-eye->
    
    Aplocheilidae - Killifishes->
    
    Cynolebiinae - Pearl killifishes->
    
    Fluviphylacidae - American lampeyes->
    
    Goodeidae - Splitfins->
    
    Nothobranchiidae - African rivulines->
    
    Pantanodontidae - Spine killifishes->
    
    Procatopodidae - African lampeyes->
    
    Profundulidae - Middle American killifishes->
    
    Rivulidae - Rivulines->
  - Osmeriformes - Smelts->
  - Centrarchiformes - Basses and sunfishes->
  - Cichliformes - Cichlids->
  - Characiformes - Characins->
  - Osteoglossiformes - Bony tongues->
  - Elopiformes - Tarpons and tenpounders->
  - Anabantiformes - Gouramies and snakeheads->
  - Gymnotiformes - South American knifefish->
  - Istiophoriformes - Barracudas->
  - Albuliformes - Bonefishes->
  - Lepidogalaxiiformes - Salamanderfishes->
  - Lophiiformes - Anglerfishes->
  - Spariformes - Breams and porgies->
  - Trachiniformes - Weeverfishes->
  - Moroniformes - Temperate basses->
  - Acanthuriformes - Surgeonfishes->
  - Zeiformes - Dories->
  - Tetraodontiformes - Puffers and filefishes->
  - Holocentriformes - Squirrelfishes->
  - Dactylopteriformes - Flying gurnards->
  - Lampriformes - Lamprids->
  - Galaxiiformes - Southern smelts->
  - Batrachoidiformes - Toadfishes->
  - Hiodontiformes - Mooneyes->
  - Percopsiformes - Trout-perches->
  - Callionymiformes - Dragonets->
  - Atheriniformes - Silversides->
  - Notacanthiformes - Spiny eels->
  - Saccopharyngiformes - Swallowers and Gulpers->
  - Alepocephaliformes - Slickheads and tubeshoulders->
  - Gonorynchiformes - Milkfishes->
  - Argentiniformes - Marine smelts->
  - Stomiiformes - Lightfishes and dragonfishes->
  - Ateleopodiformes - Jellynose fishes->
  - Myctophiformes - Lanternfishes->
  - Stylephoriformes - Tube-eyes->
  - Polymixiiformes - Beardfishes->
  - Beryciformes - Sawbellies->
  - Trachichthyiformes - Rughies->
  - Ophidiiformes - Cusk-eels->
  - Kurtiformes - Nurseryfishes & Cardinalfishes->
  - Synbranchiformes - Swamp eels->
  - Gobiesociformes - Clingfishes->
  - Acropomatiformes - Oceanic basses->
- Cladistii - Bichirs->
- Dipneusti - Lungfishes->
- Chondrostei - Sturgeons->
- Holostei - Gars and Bowfins->
Chondrichthyes - Cartilaginous fishes->
Agnatha - Jawless fishes->