Macroalgae Farms

Emerald Crab Value Pack (3 Pack)

$17.99 $19.99
-10%

Key Features:
⭐ Targets bubble algae and nuisance growth effectively
• Cleans rock crevices other cleanup crew can’t reach
• Adds natural algae control without increasing bioload
• Helps consume leftover food and organic waste before it breaks down

Out of 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.

Emerald Crab Value Pack (3 Pack)
$17.99 $19.99
$17.99 $19.99

About this item

Emerald Crab Value Pack (3 Pack)

Emerald Crabs (Mithraculus sculptus) are highly sought-after reef inhabitants known for their targeted algae-grazing ability and compact, rock-dwelling behavior. Their deep green coloration and rounded body allow them to blend seamlessly into reef aquascapes while actively contributing to tank maintenance.

This value pack includes three Emerald Crabs selected to maximize algae control coverage, particularly against nuisance growth such as bubble algae, film algae, and detritus buildup. Their constant picking behavior helps maintain cleaner rockwork while adding subtle, natural movement to the aquarium.


Available Options

3 Emerald Crabs

  • Effective bubble algae and film algae grazers
  • Increased coverage across rockwork and crevices
  • Ideal for strengthening cleanup crew performance

Care Information

💡 Lighting
All Lighting Conditions
🌊 Water Flow
Low to Moderate
📍 Placement
Rockwork and crevices
⚙️ Care Level
Easy to Moderate
📈 Behavior
Slow-moving, methodical grazer
🧪 Feeding
Bubble algae, film algae, detritus, occasional supplemental foods

Special Considerations

Emerald Crabs are generally reef-safe and highly valued for their ability to consume bubble algae, but behavior can vary between individuals. In systems with limited natural food sources, they may become opportunistic scavengers and could pick at soft corals or leftover foods. Providing stable nutrients and occasional supplemental feeding helps maintain consistent grazing behavior.

🔍 Aquarium Insights

Emerald Crabs are valued for their targeted cleanup abilities and subtle activity within the aquarium:

  • Specialized in bubble and other pest algae control
  • Navigate tight rock crevices inaccessible to other cleaners
  • Provide steady, low-profile maintenance of surfaces
  • Value pack improves overall algae control efficiency

Learn More

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


Livestock Disclaimer

Due to natural variation between specimens, coloration and size may vary slightly from images shown. Photographs are representative examples of general appearance and size.

Individual specimens may vary based on age, environment, and natural development.

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

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