Macroalgae Farms

Saltwater Black Molly (Algae Eater, Self-Propagating)

$9.99

Key Features:
⭐ Saltwater-acclimated livebearing fish with bold black coloration
• Actively grazes algae to help keep rockwork clean
• Extremely hardy and ideal for beginner systems
• Potential for natural reproduction in macroalgae setups

In stock

This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!

Estimated delivery between June 16 and June 18.

Saltwater Black Molly (Algae Eater, Self-Propagating)

$9.99

$9.99

About this item

Saltwater Black Molly 

Saltwater Black Molly (Poecilia sphenops) is a bold and highly adaptable fish known for its deep solid black coloration and constant grazing behavior. Fully acclimated to saltwater conditions, this species offers both strong visual contrast and practical utility in marine aquariums.

Actively moving throughout the tank, Black Mollies help control algae and maintain cleaner surfaces while adding energy and movement. As a livebearing species, they also offer the potential for natural reproduction in suitable environments, particularly in macroalgae-rich or low-predation systems.


Available Options

Single Molly

  • One saltwater-acclimated Black Molly
  • Ideal for algae control and beginner-friendly systems
  • High-contrast fish that stands out in reef tanks

Care Information

💡 Lighting
All Lighting Conditions
🌊 Water Flow
Low to Moderate
📍 Placement
Open water and rockwork
⚙️ Care Level
Easy
📈 Behavior
Peaceful, active
🧪 Feeding
Omnivore (algae, flakes, pellets)

Special Considerations

This fish has been fully acclimated to saltwater conditions and should not be returned to freshwater. While extremely hardy, stable water parameters are recommended for long-term success.

🔍 Aquarium Insights

  • Constant algae grazers that help maintain clean surfaces
  • Highly adaptable and beginner-friendly
  • Livebearing species with potential for fry survival in macroalgae-rich systems

Learn More

For detailed species information, compatibility, and care tips, visit our Species Library.


Livestock Disclaimer

Due to natural variation between specimens, the fish you receive may vary slightly in coloration, size, and pattern. Photographs are representative examples.

Individual fish may display differences in coloration intensity depending on environment and lighting conditions.

Approximate size ranges are provided for reference but may differ slightly from the specimen received.

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