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Horseshoe Crab (Limulus polyphemus)
Horseshoe Crab
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Horseshoe Crab (Limulus polyphemus)
Product Notes:
· We cannot ship this product to Alaska.

Quick Stats

Care Level Easy
Temperament Peaceful
Color Form Tan
Diet Carnivore
Reef Compatible No
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 2'
Family Limulidae
Supplements Calcium, Magnesium, Iodine, Trace Elements
Minimum Tank Size 180 gallons
Compatibility View Chart
What do these Quick Stats mean? Click here for more information
Care Level Easy
Temperament Peaceful
Color Form Tan
Diet Carnivore
Reef Compatible No
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 2'
Family Limulidae
Supplements Calcium, Magnesium, Iodine, Trace Elements
Minimum Tank Size 180 gallons
Compatibility View Chart
What do these Quick Stats mean? Click here for more information

Overview

Did you know that this specimen ships from our LiveAquaria® Wisconsin Facility, home of our popular Diver's Den® WYSIWYG Store and our LiveAquaria® Certified Captive Grown Corals (CCGC)? What that means is that you can rest assured knowing this specimen received the highest level of care from our experienced and professional LiveAquaria® staff!

PLUS, hobbyists that use our LiveAquaria® Professional Reef Salt have the added benefit knowing marine species shipped from our LiveAquaria® Wisconsin Facility share the same water parameters. In other words, if you use our Professional Reef Salt, marine species shipped from our Wisconsin Facility will acclimate and transition to your home aquarium with less stress to set the foundation for longer term success.

The Horseshoe Crab is greenish brown to light tan in color. The dorsal part of the body is rounded, and it has a long spike for a tail. The Horseshoe Crab is really not a crab, but more closely related to spiders and mites, belonging to a group of animals called chelicerates. Horseshoe Crabs can grow quite large. The female horseshoe crabs usually grow larger than the males, with their body reaching a maximum size of 12 inches in diameter. When small, they are very efficient scavengers and are great for aerating and maintaining sand beds.

The Horseshoe Crabs dig through sand and gravel in search of worms and any organic debris. It will move the substrate around almost nonstop in its search for food. They are reef safe, but when they attain a large size, can be harmful to fish and invertebrates, especially worms and clams.

Although it may find some food scavenging, its diet should be supplemented with meaty items such as pieces of squid and shrimp.

Approximate Purchase Size: Small: 1" to 2"; Medium: 2" to 3"; Large: 3" to 4"

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