


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.
Compatible Tankmates
Best tank mates for Sailfin Molly
Every species below passes the compatibility engine when paired with Sailfin Mollyin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Harlequin Rasbora
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Zebra Danio
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Fancy Guppy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Platy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Molly
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Swordtail
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Male Betta
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Dwarf Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Honey Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Pearl Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Bolivian Ram
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Angelfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: (c) Nick Tobler (Cowturtle), some rights reserved (CC BY) / Wikimedia Commons · Source · CC-BY-4.0