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Xiphophorus variatus  (Meek, 1904)

Variable platyfish
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Image of Xiphophorus variatus (Variable platyfish)
Xiphophorus variatus
Picture by Artigas Azas, J.M.

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

Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Xiphophorus: Greek, xiphos = sword + Greek, pherein = to carry (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 7.0 - 8.0; dH range: 9 - 19; non-migratory.   Subtropical; 15°C - 25°C (Ref. 1672); 25°N - 20°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 5723); common length : 3.9 cm TL male/unsexed; (Ref. 12193)

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

North America: endemic to Mexico from southern Tamaulipas to northern Veracruz. At least one country reports adverse ecological impact after introduction.

Biology     Glossary (e.g. epibenthic)

Occurs in warm springs, weedy canals and ditches (Ref. 5723). Feeds on worms, crustaceans, insects and plant matter (Ref. 7020). Used for genetic research (Ref. 4537). Aquarium keeping: minimum aquarium size 60 cm (Ref. 51539).

Main reference Upload your references | References | Coordinator | Collaborators

Rodriguez, C.M., 1997. Phylogenetic analysis of the tribe Poeciliini (Cyprinodontiformes: Poeciliidae). Copeia 1997(4):663-679. (Ref. 26855)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Potential pest (Ref. 13686)




Human uses

Aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
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Heritability
Diseases
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Stamps, Coins
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Ciguatera
Speed
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Gill area
Otoliths
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Tools

Special reports

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Internet sources

Alien/Invasive Species database | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.8   ±0.27 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (tm<1; multiple spawning per year; Fec=100).
Vulnerability (Ref. 59153):  Low vulnerability (22 of 100) .
Price category (Ref. 80766):   Unknown.