Live Arrival & Health Guarantee
Live coral and fish are final sale and covered by our DOA guarantee. A 5-day health guarantee applies to retail orders.
Arrow Crab (Stenorhynchus seticornis)
A striking reef-safe helper with incredible personality.
The Arrow Crab is a uniquely shaped, long-legged reef inhabitant prized for its eye-catching appearance and natural scavenging abilities. With its spider-like legs, pointed rostrum, and bold patterning, this crab adds instant visual interest to any marine setup. Despite their alien look, Arrow Crabs are generally peaceful and make excellent additions to community reef tanks.
Known for their helpful behavior, Arrow Crabs actively hunt nuisance bristle worms and sift through leftover food and detritus, contributing to a cleaner, healthier aquarium environment.
Key Features
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Highly effective at controlling bristle worm populations
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Distinctive long-legged appearance makes it a conversation-starter
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Hardy and easy to care for in a stable reef setup
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Active scavenger that helps maintain tank cleanliness
Care Requirements
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Difficulty: Easy–Moderate
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Diet: Carnivorous scavenger (meaty foods, leftover fish food, worms)
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Temperament: Generally peaceful; may show aggression toward other crabs or very small shrimp
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Minimum Tank Size: 30 gallons
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Reef Compatibility: Reef-safe (use caution with tiny or delicate inverts)
Why Buy from Corals Depot?
All Arrow Crabs from Corals Depot are responsibly collected, carefully acclimated, and held in optimal conditions to ensure health, vigor, and smooth introduction into your aquarium. You’ll receive a robust, active specimen ready to get to work in your reef.
