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Poecilia formosa  (Girard, 1859)

Amazon molly
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Image of Poecilia formosa (Amazon molly)
Poecilia formosa
Picture by Slaboch, R.

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: Poecilia: Greek, poikilos = with a lot of colours (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; brackish; benthopelagic; non-migratory.   Subtropical; 27°N - 25°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm TL male/unsexed; (Ref. 5723); common length : 5.5 cm TL male/unsexed; (Ref. 12193)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 10-12. Similar to females of P. latipinna but lacks rows of brown spots on side (may have row of dusky black spots).

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

North America: lower Nueces River (where possibly introduced) and lower Rio Grande, extreme southern Texas, to Veracruz in Mexico. Introduced populations at San Antonio and San Marcos, Texas.

Biology     Glossary (e.g. epibenthic)

In backwaters and quiet pools of streams, sloughs, and ditches, usually over mud. This is an all-female species thought to have originated as a result of hybridization between P. latipinna and P. sphenops. Gynogenesis reproduction is triggered by copulation and stimulation by sperm from males of other species in the genus, either P. latipinna, P. mexicana, P. latipunctata, or rarely P. sphenops.

Main reference Upload your references | References | Coordinator | Collaborators

Meyer, M.K. and A.C. Radda, 2000. Notes on the subgenus Mollienesia Lesueur,1821, with a description of a new species of Poecilia Bloch & Schneider, 1801 (Cyprinodontiformes: Poeciliidae) from Venezuela. Ann. Naturhist. Mus. Wien 102B:75-81. (Ref. 42987)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
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Food consumption
Ration
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
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Aquaculture profile
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Heritability
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Stamps, Coins
Sounds
Ciguatera
Speed
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Internet sources

Alien/Invasive Species database | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | 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=0.00871 (0.00358 - 0.02119), b=3.14 (2.94 - 3.34), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.9   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low to moderate vulnerability (26 of 100) .
Price category (Ref. 80766):   Unknown.