Poecilia mexicana Steindachner, 1863

Shortfin molly

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Cyprinodontiformes \| Poeciliidae \| Poeciliinae
Synonyms	Poecilia mexicana mexicana, Poecilia cuneata, Poecilia limantouri, ... more
Common names	Topote del Atlántico, Olomina, Mexikansk molly, ... more

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Image of Poecilia mexicana (Shortfin molly)

Picture by Artigas Azas, J.M.

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Main reference

Proudlove, G.S. 1997. (Ref. 27297)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 11.0 cm SL male/unsexed; (Ref. 30499); common length : 4.0 cm TL male/unsexed; (Ref. 12193)

Environment

Benthopelagic; non-migratory; freshwater; brackish; pH range: 7.0 - 7.5; dH range: 20 - 30

Climate / Range

Tropical; 22°C - 28°C (Ref. 12468); 19°N - 14°N

North and Central America: Rio San Juan, Mexico to Guatemala. At least one country reports adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Occurs in warm springs and their effluents, canals and weedy ditches, and stream pools (Ref. 5723). Food is mainly detritus (Ref. 36880). Some populations in caves (Ref. 27297).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Potential pest

Human uses
Fisheries: of no interest; aquarium: commercial; bait: occasionally


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5000

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (34 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Garilao, Cristina V.

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