Peacock Mantis Shrimp - Odontodactylus scyllarus
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The Peacock Mantis Shrimp (Odontodactylus scyllarus) is a brilliantly colored and highly active predatory crustacean, renowned for its vibrant hues and extremely powerful strike. This aggressive invertebrate is a captivating addition to species-specific or FOWLR aquariums but is not safe for reef tanks due to its hunting behavior.
Common Name: Peacock Mantis Shrimp
Scientific Name: Odontodactylus scyllarus
Family: Stomatopodidae
Size: Up to 7 inches (18 cm)
Temperament: Aggressive
Difficulty: Moderate to Difficult
Reef Safe: No
Native Region: Found throughout the Indo-Pacific, commonly inhabiting burrows in sandy or rubble areas near coral reefs.
Tank Size: Minimum of 50 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Deep sand bed with rocks or PVC burrows for shelter; tank must be secure to prevent escape.
• Feeding: Carnivorous—feeds on shrimp, small fish, and crustaceans.
• Behavior: Highly territorial and capable of breaking glass; handle with caution.
• Compatibility: Best kept alone or with robust FOWLR tankmates; not compatible with corals or other invertebrates.
• Tank Security: Ensure lids are tight; mantis shrimp are strong and known to escape enclosures.