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Sailfin Molly care guide

Sailfin Molly (Poecilia latipinna) — minimum tank 120 L, temperature 22-28 °C, pH 7.5-8.5.

Overview

The Sailfin Molly (Poecilia latipinna) is a large livebearer native to coastal areas of the south-eastern United States and north-eastern Mexico. Mature males display a dramatically enlarged dorsal fin that resembles a sail.

Taxonomy

  • Family: Poeciliidae
  • Genus: Poecilia
  • Scientific name: Poecilia latipinna

Habitat

Inhabits coastal salt marshes, brackish lagoons, slow freshwater streams and ditches from North Carolina south to the Yucatán Peninsula. The species tolerates a wide salinity range and can be kept in fresh, brackish or even marine conditions.

Tank requirements

  • Minimum tank volume: 120 L (31.7 US gal)
  • Adult size: 8-15 cm
  • Temperature: 22-28 °C (72-82 °F)
  • pH: 7.5-8.5
  • GH: 15-30 °dGH
  • Water flow: moderate
  • Lifespan: 3-5 years

Diet

An omnivore with a strong algivorous component. Offer a vegetable-rich diet of flakes or pellets, blanched vegetables (spinach, zucchini) and occasional live or frozen invertebrates.

Compatibility

A peaceful community species. Hard, slightly alkaline or lightly brackish water improves long-term health. Keep one male with two or more females. Compatible with other livebearers and brackish-tolerant peaceful species.

Breeding

A livebearer. Broods of 10-140 fry are produced every four to six weeks. The species can interbreed with other Poecilia.

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