Black Molly (Poecilia sphenops) – Hardy Peaceful Livebearer Aquarium Fish

Black Molly – Care & Profile

The Black Molly (Poecilia sphenops) is a classic livebearer species admired for its sleek, all-black coloration and peaceful temperament. Hardy and versatile, these fish thrive in freshwater and even slightly brackish aquariums, making them a favorite for both beginner and experienced aquarists.

🌊 Quick Facts:

• Scientific Name: Poecilia sphenops
• Common Name: Black Molly
• Origin: Central & South America (tank-bred variety)
• Temperament: Peaceful, community-friendly
• Adult Size: 3–4 inches
• Tank Size: 20+ gallons
• Diet: Omnivore (flakes, algae, pellets, live/frozen foods)
• Water Parameters: 72–82°F, pH 7.0–8.2 (tolerates light brackish water)

✨ Why Choose Black Mollies?

• Striking all-black coloration adds elegance to aquariums
• Hardy and adaptable – excellent for beginners
• Peaceful community livebearer species
• Active swimmers that pair well with other tropical fish
• Breed readily, providing additional stock for aquarists

💡 Care Tips:
Keep in groups for social behavior (with more females than males to reduce stress). Provide a planted aquarium with open swimming space. Offer algae-based foods alongside protein-rich diets for optimal health. Breeding is common, so consider fry management if keeping males and females together.