Molly Sphenops Black

Black Molly (Poecilia sphenops)

The Black Molly is a sleek and elegant freshwater fish known for its deep, velvety black coloration and smooth, flowing fins. Its solid dark body creates a striking contrast in planted aquariums, making it a popular choice for both beginner and experienced aquarists.

Hardy, active, and easy to care for, Black Mollies are a staple in community tanks.

Water Parameters

• Temperature: 72–82°F (22–28°C)
  Ideal range: 74–78°F
• pH: 7.0 – 8.5
• Water Hardness: Moderate to hard
• Tank Size: Minimum 20 gallons
• Group Size: Best kept in groups

Diet & Feeding

Black Mollies are omnivores and very easy to feed.

Staple Foods:

• High-quality flakes or pellets

Plant-Based Foods:

• Spirulina flakes
• Algae wafers
• Blanched vegetables (zucchini, spinach)

Protein / Treats:

• Frozen bloodworms
• Brine shrimp

Feeding Tips:

• Feed 1–2 times daily
• Provide a balanced diet with plant matter
• Avoid overfeeding

Behavior & Tank Mates

• Peaceful and social
• Active swimmers
• Can be slightly territorial if crowded

Compatible Tank Mates:

• Guppies
• Platies
• Swordtails
• Tetras
• Corydoras

Avoid:

• Aggressive fish
• Fin-nippers

Tank Setup

• Planted tank with open swimming space
• Moderate water flow
• Can tolerate slightly brackish water (optional)

Key Benefits

• Deep black coloration stands out in any tank
• Hardy and beginner-friendly
• Livebearer (easy to breed)
• Great for community aquariums