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Poecilia mexicana  Steindachner, 1863

Shortfin molly
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Image of Poecilia mexicana (Shortfin molly)
Poecilia mexicana
Picture by Artigas Azas, J.M.


Samoa country information

Common names: [No common name]
Occurrence: not established
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: experimental | Ref:
Regulations: | Ref:
Uses: bait: yes;
Comments: Reintroduced in 1978 by Fisheries Division/FAO (Ref. 33576). Cultured at a mangrove marsh in Vaitoloa, Vaiusu Bay, near Apia for a live baitfish project for the pole and line skipjack fishery (Ref. 1739). The effort did not prove to be commercially sound (Ref. 9419).
National Checklist:
Country Information: https://www.cia.gov/cia/publications/factbook/geos/ws.html
National Fisheries Authority: https://www.spc.org.nc/coastfish/Countries/samoa/samoa.htm
Occurrences: Occurrences Point map
Main Ref: Wass, R.C., 1984
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

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

Environment

Freshwater; brackish; benthopelagic; pH range: 7.0 - 7.5; dH range: 20 - 30; non-migratory

Climate / Range

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

Distribution

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

Biology     Glossary (e.g. epibenthic)

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. 90363)

Threat to humans

  Potential pest (Ref. 1982)



Human uses

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

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
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

Alien/Invasive Species database | BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
2.0   ±0.00 se; Based on food items.

Resilience (Ref. 69278)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (34 of 100)
Price category (Ref. 80766)
Unknown