How to Identify Poeciliidae

Poeciliidae is a animal family in the Animalia kingdom, order Cyprinodontiformes, class . The family contains 19 accepted species worldwide.

Key Identification Features

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Representative Poeciliidae Species

How to identify Phalloceros caudimaculatus (Hensel, 1868)

Phalloceros caudimaculatus (Hensel, 1868)

Phalloceros caudimaculatus (Hensel, 1868)

Phalloceros caudimaculatus, the dusky millions fish, is a livebearing fish nativ…

How to identify Poecilia wingei Poeser, Kempkes & Isbrücker, 2005

Poecilia wingei Poeser, Kempkes & Isbrücker, 2005

Poecilia wingei Poeser, Kempkes & Isbrücker, 2005

Poecilia wingei, or Endler's livebearer, is a small colorful livebearing fish na…

How to identify Heterandria formosa Girard, 1859

Heterandria formosa Girard, 1859

Heterandria formosa Girard, 1859

Heterandria formosa is a tiny North American poeciliid fish that lives in fresh …

How to identify Xiphophorus hellerii Heckel, 1848

Xiphophorus hellerii Heckel, 1848

Xiphophorus hellerii Heckel, 1848

Xiphophorus hellerii, the green swordtail, is a popular aquarium fish with a cha…

How to identify Xiphophorus maculatus (Günther, 1866)

Xiphophorus maculatus (Günther, 1866)

Xiphophorus maculatus (Günther, 1866)

Xiphophorus maculatus is a popular freshwater aquarium live-bearer native to par…

How to identify Poecilia latipinna (Lesueur, 1821)

Poecilia latipinna (Lesueur, 1821)

Poecilia latipinna (Lesueur, 1821)

Poecilia latipinna, the sailfin molly, is a tolerant euryhaline livebearer fish …

How to identify Gambusia affinis (Baird & Girard, 1853)

Gambusia affinis (Baird & Girard, 1853)

Gambusia affinis (Baird & Girard, 1853)

Gambusia affinis, the western mosquitofish, is a widespread small freshwater fis…

How to identify Poecilia mexicana Steindachner, 1863

Poecilia mexicana Steindachner, 1863

Poecilia mexicana Steindachner, 1863

Poecilia mexicana, the Atlantic molly, is a widely distributed Middle American p…

How to identify Priapichthys annectens (Regan, 1907)

Priapichthys annectens (Regan, 1907)

Priapichthys annectens (Regan, 1907)

Priapichthys annectens is a small fish native to Central America with distinct s…

How to identify Cnesterodon decemmaculatus (Jenyns, 1842)

Cnesterodon decemmaculatus (Jenyns, 1842)

Cnesterodon decemmaculatus (Jenyns, 1842)

Cnesterodon decemmaculatus is a small fish species described in 1843 from the HM…

How to identify Pseudoxiphophorus bimaculatus (Heckel, 1848)

Pseudoxiphophorus bimaculatus (Heckel, 1848)

Pseudoxiphophorus bimaculatus (Heckel, 1848)

Pseudoxiphophorus bimaculatus is a small freshwater livebearing fish native to s…

How to identify Belonesox belizanus Kner, 1860

Belonesox belizanus Kner, 1860

Belonesox belizanus Kner, 1860

Belonesox belizanus, the pike topminnow, is a specialized livebearing predatory …

Browse all 19 Poeciliidae species →

Frequently Asked Questions

How do you identify Poeciliidae?

Poeciliidae animals belong to the Cyprinodontiformes order in the Animalia kingdom. maculatus are drab, and lack the distinctive dark lateral line that is common to many Xiphophorus species. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Poeciliidae?

Poeciliidae is classified in the order Cyprinodontiformes, class , phylum Chordata. Adult female mosquitofish can also be identified by a distinct gravid spot located on the posterior of their abdomens.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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