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Poecilia reticulata  Peters, 1859

Guppy
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Native range | All suitable habitat
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Poecilia reticulata   AquaMaps   Data sources: GBIF OBIS
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Image of Poecilia reticulata (Guppy)
Poecilia reticulata
Picture by Slaboch, R.


Australia country information

Common names: Guppy
Occurrence: introduced
Salinity: freshwater
Abundance: common (usually seen) | Ref:
Importance: of no interest | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Introduced for ornamental purposes as well as a biocontrol agent. Impacts on Australian endemic fishes have not been studied although where guppies and Gambusia affinis holbrooki are abundant, endemic fishes are rare (Ref. 12257). Known from Mulgrave and South Johnstone rivers, Wet Tropics, Northern Queensland (Ref. 40054). Recorded from Brisbane, Rockhampton, Cairns and Mackay (Ref. 44894). Also Ref. 1739.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Allen, G.R., S.H. Midgley and M. Allen, 2002
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 : 5.0 cm SL male/unsexed; (Ref. 59043); 6.0 cm SL (female); common length : 2.8 cm TL male/unsexed; (Ref. 12193)

Environment

Freshwater; brackish; benthopelagic; pH range: 7.0 - 8.0; dH range: 9 - 19; non-migratory

Climate / Range

Tropical; 18°C - 28°C (Ref. 1672); 14°N - 2°N, 67°W - 52°W

Distribution

South America: Venezuela, Barbados, Trinidad, northern Brazil and the Guyanas. Widely introduced and established elsewhere, mainly for mosquito control, but had rare to non-existing effects on mosquitoes, and negative to perhaps neutral effects on native fishes (Ref. 12217). Africa: Feral populations reported from the coastal reaches of Natal rivers from Durban southwards, as well as in the Kuruman Eye and Lake Otjikoto in Namibia (Ref. 7248). Several countries report adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 7-8; Anal spines: 0; Anal soft rays: 8 - 10

Biology     Glossary (e.g. epibenthic)

Inhabits warm springs and their effluents, weedy ditches and canals (Ref. 5723). Found in various habitats, ranging from highly turbid water in ponds, canals and ditches at low elevations to pristine mountain streams at high elevations (Ref. 11225). Occurs in wide variety of habitats with low predation pressure, usually in very small streams and densely vegetated lakes and springs (Ref. 59043). Has a wide salinity range but requires fairly warm temperatures (23-24 °C) and quiet vegetated water for survival (Ref. 7248, 44894, 79840). Feeds on zooplankton, small insects and detritus. One of the most popular aquarium fishes with many standardized varieties. Used in genetics research. Female reaches 5 cm SL (Ref. 2847). Males mature at 2 months and females at 3 months of age (Ref. 1672). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539). A very popular and widely available species in the aquarium trade. In Australia, wild populations were established prior to the 1970s, undoubtedly the result of thoughtless aquarists discarding unwanted pets (Ref. 44894). Maximum length for female taken from Ref. 43281.

IUCN Red List Status (Ref. 115185)

Threat to humans

  Potential pest



Human uses

Fisheries: of no interest; aquarium: commercial

More information

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Internet sources

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)
3.2   ±0.40 se; Based on food items.

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (tm=0.16-0.25; Fec=20-40 with multiple spawning per year)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (33 of 100)
Price category (Ref. 80766)
Unknown