
Viviparous Species
Atlantic Molly
Poecilia mexicana
Photo: Marrabbio · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature22–28 °C
- pH7–8.5
- Minimum tank100 l
- Adult size10 cm
- Difficulty★★☆☆☆
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Poeciliidae
- Origin
- Mexico and Central America
- Size
- 10 cm
- Temperature
- 22 – 28°C
- pH
- 7.0 – 8.5
- GH
- 10 – 25 °dGH
- Difficulty
- ★★☆☆☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- Pacific
- Minimum number of individuals
- 1 male with 2–3 females
- Minimum aquarium size
- 100 L
- Diet
- omnivore
- Reproduction
- viviparous
Notes: A wild molly with populations living in caves with sulfurous water. In the aquarium, it is hardy and eats algae.





