A striking molly variety characterized by its large, sail-like dorsal fin that extends high over its back. Sailfin Mollies are active, hardy, and thrive in well-maintained community aquariums with plenty of swimming space.
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A striking molly variety characterized by its large, sail-like dorsal fin that extends high over its back. Sailfin Mollies are active, hardy, and thrive in well-maintained community aquariums with plenty of swimming space.
Streamlined body with a tall, extended dorsal fin resembling a sail. Color morphs include silver, black, dalmatian, gold, and marble variations. Males have larger, showier fins compared to females.
3-5 years
Omnivorous; accepts flakes, pellets, algae wafers, spirulina, and live/frozen foods like brine shrimp and bloodworms.
Sailfin Mollies are a beautiful and hardy livebearer that add both elegance and activity to community aquariums. Their unique dorsal fin sets them apart from other mollies, making them a popular choice among aquarists.
Beginner to Intermediate; requires stable water quality and swimming space.
30 gallons (larger tanks preferred for groups and active swimming)
7.0 to 8.5
10–30 dGH
72–82°F (22–28°C)
4–6 inches (males often smaller-bodied but with larger fins)
Guppies, Platies, Swordtails, Corydoras, peaceful Tetras, Danios, Rainbowfish, Nerite Snails.
Large aggressive cichlids, fin-nippers like tiger barbs, and predatory fish.
Poecilia latipinna
Poeciliidae
Native to the southeastern United States, Mexico, and Central America; also widely bred in captivity.
Community-friendly; thrives in groups. Males display fins to compete for females and dominance.
Feed 2–3 times daily in small portions. Provide a mix of flakes/pellets, algae-based foods, and live/frozen protein sources to ensure balanced nutrition.
Livebearer; females produce free-swimming fry after a 28–35 day gestation period.
Females give birth to 20–100 fry per brood, depending on size and health. Fry should be separated or provided with dense plant cover for survival. Conditioning parents with protein-rich foods improves breeding success. Fry grow quickly on powdered food, microworms, and newly hatched brine shrimp.
pH: 7.0–8.5, Temperature: 72–82°F (22–28°C), Hardness: 10–30 dGH, Nitrate: <30 ppm
Fin rot, ich, and fungal infections if water quality is poor. Overfeeding can lead to bloating.
Peaceful and social, best kept in groups with more females than males.
Active mid-to-top swimmer; males may compete by flaring their fins. Social and peaceful overall, though males can be persistent in chasing females.
Sailfin Mollies are among the most recognizable molly varieties due to their tall, sail-shaped dorsal fin and elegant body shape. They are hardy, adaptable fish that can live in freshwater or slightly brackish conditions. Males display their impressive dorsal fins during courtship, making them especially eye-catching in community aquariums. They prefer planted tanks with open swimming areas and benefit from a mix of live plants and algae growth, which supplements their diet. Like other mollies, they breed readily, producing live fry that require hiding spots or separation to survive in community tanks.