Overview

Comprehensive Description

Biology

Feeds on algae and insects end up in the water (Ref. 26543). Tolerates extreme temperature, salinity and anoxia conditions (Ref. 26543). There was a proposal to use this species as biological control against mosquito larvae (Ref. 26543).
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Distribution

Central and northern South America: Colombia, Panama and Venezuela.
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Central and South America: Pacific drainage system from Darien, Panama to Rio Cauca, Colombia as well as in Lake Maracaibo, Venezuela. Known from the Catatumbo River (Ref. 26543).
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Physical Description

Size

Maximum size: 30 mm NG
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Max. size

3.0 cm TL (male/unsexed; (Ref. 26543)); 6 cm NG (female)
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Diagnostic Description

Identified by the black spot found on the base of the dorsal fin; some specimens with thin transverse bands along the body but this may be attributed to the coloration before or after the reproductive period (Ref. 26543).
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 7.0 - 7.5; dH range: 10 - 20
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Trophic Strategy

Feeds on algae and insects end up in the water.
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Life History and Behavior

Life Cycle

Produces 10 to 25 young after a gestation period of about 28 days. Young cared for by the male (Ref. 26543).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Poecilia caucana

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Wikipedia

Cauca molly

The cauca molly (Poecilia caucana) is a fish in the Poeciliidae family,[1] also called the South American molly. This fish comes from Panama, Venezuela and Colombia, where it lives in shallow waters.[2]

Poecilia caucana eats mosquito larvae and algae. The species prefers a water temperature around 27 to 29°C and a pH of 7.0 to 7.5.[2]

References[edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Poecilia caucana" in FishBase. April 2013 version.
  2. ^ a b Riehl, Rüdiger, ed. (2004). Baensch Aquarium Atlas 3 (3rd ed.). Melle: Mergus Verlag. p. 614. ISBN 978-3-88244-053-9. 
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