Species Profile
Sailfin Molly
Poecilia latipinna
LivebearerspeacefulLong-finned
Adult size
5″
Minimum tank
30 gal
Temperature
72–82°F
pH
7.5–8.5
Schooling
Group of 3+
Water level
mid
Diet
Flake, veggie, algae
Notes
Large livebearer named for the male's tall sail-shaped dorsal fin, used in courtship displays. Wants hard alkaline water; many keepers run them in low-end brackish for better health. Common-strain sailfins are hardy, balloon morphs are not.
Photo: (c) Nick Tobler (Cowturtle), some rights reserved (CC BY) / Wikimedia Commons · Source · CC-BY-4.0