Macroalgae Farms
Saltwater Platinum Sailfin Molly (Algae Eater, Self-Propagating)
Key Features:
Estimated delivery between June 16 and June 18.
About this item
Saltwater Platinum Sailfin Molly
The Saltwater Platinum Sailfin Molly (Poecilia latipinna) is one of the most underrated and hardworking algae eaters available for the reef aquarium. This striking platinum silver variant brings a shimmering, metallic presence to any system while putting in constant work — relentlessly grazing hair algae, biofilm, diatoms, and detritus from rockwork, glass, and substrate from the moment it is introduced. Unlike many algae-eating fish that need coaxing or pick selectively, a hungry Sailfin Molly gets straight to work and rarely stops.
What makes the Sailfin Molly truly unique in the saltwater hobby is its biology. As a species native to brackish coastal habitats across the southeastern United States, Poecilia latipinna is one of the only fish capable of completing its entire life cycle in full marine salinity — meaning it can thrive long-term in a reef tank without compromise. Our Platinum Sailfin Mollies are fully saltwater acclimated before they ship, so there is no lengthy transition process on your end. Males display an impressive large sail-like dorsal fin that fans open dramatically during display, adding genuine visual interest alongside their practical algae-eating function.
As a livebearer, a healthy pair or group of Sailfin Mollies may naturally reproduce in your system, with fry occasionally appearing in sumps and refugiums. They also carry zero risk of introducing saltwater-specific parasites or diseases — a meaningful advantage over fish sourced directly from the ocean.
Available Options
Saltwater Platinum Sailfin Molly — Single
- One healthy, fully saltwater-acclimated Platinum Sailfin Molly
- Ready to introduce directly to your marine system — no freshwater transition needed
- Immediately active and grazing upon introduction
Care Information
| 🌡️ Temperature 74–80°F — stable temps preferred |
🧂 Salinity 1.023–1.026 — fully marine capable |
| 🐠 Temperament Peaceful — reef safe, avoid aggressive tankmates |
⚙️ Care Level Easy — hardy and adaptable |
| 🍽️ Diet Omnivore — algae, biofilm, detritus, prepared foods |
🌊 Water Flow Low to Moderate — avoid strong direct flow |
Special Considerations
🔍 Aquarium Insights
The Saltwater Platinum Sailfin Molly is a uniquely versatile addition to any reef or display system:
- One of the only fish in the hobby that can complete its entire life cycle in full marine salinity — a true saltwater fish in every practical sense
- Cannot introduce saltwater parasites or pathogens — a significant biosecurity advantage over wild-caught marine fish
- A shimmering, active display fish that earns its place every single day through constant, reliable algae control
Learn More
For detailed species information, compatibility, and care tips, visit our Species Library.
Due to natural variation, the fish you receive may vary slightly in fin size, coloration, and markings. Males and females differ in dorsal fin size — sex cannot be guaranteed unless specified.
Algae-eating behavior may vary depending on the individual fish and available food sources in the system.
As with all live animals, proper acclimation and a stable, established environment are essential for best results.
Recently Viewed Products
- Choosing a selection results in a full page refresh.
- Opens in a new window.