Description
The Black Balloon Molly, also known as the Black Molly Fish, is a captivating livebearer species admired for its deep, velvety black coloration and distinctive rounded “balloon” body shape. Its elegant look and calm nature make it one of the most sought-after freshwater fish for community aquariums.
The Black Balloon Molly (Poecilia sphenops) is a selectively bred variation of the common molly, originating from the warm, slow-moving rivers and coastal streams of Central and South America. Its “balloon” body is the result of careful breeding for a short, rounded shape, giving it a distinctive, adorable appearance.
Unlike many fish that fade into the background, the Black Molly Fish stands out boldly with its jet-black scales, smooth fins, and graceful swimming style. As a livebearer species, females give birth to live fry, making them both fascinating and easy to breed in captivity.
A full-grown Black Balloon Molly typically reaches 2.5 to 3 inches (6–7.5 cm) in length. Their deep, glossy black coloration absorbs light beautifully, giving these Molly fish an elegant, mirror-like sheen. The “balloon” body type, shorter, rounder, and fuller than standard mollies, adds visual variety to community tanks.
When kept in planted aquariums or against bright backgrounds, their dark contrast enhances the color vibrancy of other fish species, making them an ideal choice for aquascaped setups.
Black Balloon Mollies are peaceful, social fish that thrive in small groups of five or more. They coexist well with other gentle, community-friendly species such as Guppies, Platies, Swordtails, Corydoras, and Tetras.
At our Splashy Fish tropical fish store, our Black Balloon Molly for sale and other freshwater fish for sale are carefully selected and packed with love! Visit us to buy them online or at our aquarium store in Virginia for more betta fish for sale, freshwater shrimp for sale, live aquatic plants for sale, and aquarium supplies.
WHAT YOU CAN EXPECT FROM THIS FISH:
Deep jet-black body with a unique rounded balloon shape
Peaceful, hardy, and beginner-friendly livebearer fish
Perfect for community aquariums with guppies, platies, and tetras
Active, social, and easy to breed
Adds contrast and elegance to planted tanks
RECOMMENDED TANK PARAMETERS:
Tank Size: Minimum 15–20 gallons
Temperature: 75°–82°F (24°–28°C)
pH: 7.0–8.0
Hardness: 10–25 dGH
Filtration: Gentle to moderate flow with stable, clean water
CARE GUIDELINES:
Diet: Omnivorous. Feed a mix of high-quality flakes, algae wafers, and frozen or live foods such as brine shrimp and daphnia. Supplement their diet with plant-based foods like spinach or zucchini to support digestion and color vibrancy.
Tank Setup: Provide live or artificial plants, rocks, and driftwood for hiding and comfort. Keep water parameters stable and perform regular water changes to maintain clarity and oxygen levels.
Behavior: Peaceful and active; prefers the company of its own kind. Best kept in small groups of 5–6 for natural schooling behavior.
Visit here to explore more about How to Care for Molly Fish.
