Limulus polyphemus, or the horseshoe crab, is an ancient marine arthropod prized for its distinctive appearance and ecological importance. This medium-sized specimen is ideal for marine aquarium enthusiasts seeking a unique invertebrate.
Care Level: Moderate. Horseshoe crabs require stable water conditions and a suitable substrate for burrowing.
Diet: Omnivorous scavenger. Feed a varied diet including molluscs, worms, and detritus. Supplement with sinking pellets or frozen meaty foods.
Compatibility: Generally peaceful but best kept with non-aggressive tank mates. Avoid housing with predatory fish or aggressive invertebrates.
Reef Safety: With Caution. While not typically harmful to corals, their burrowing behaviour may disturb delicate reef structures.
Tank Requirements: Minimum tank size of 150 litres recommended to provide ample space for movement and substrate depth. A sandy or fine gravel substrate is essential for natural burrowing behaviour.
Water Parameters: Maintain stable marine conditions with temperature between 20-25°C, salinity 1.023-1.025, and moderate water flow.
Placement: Bottom-dwelling. Provide a well-aerated substrate and avoid sharp décor that could damage the exoskeleton.
Limulus polyphemus is a captivating species that adds both interest and biodiversity to marine aquariums when cared for properly.
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