Arrow Crab Size:Large The emerald crab is mostly

The emerald crab is mostly a nocturnal animal so you will often find them out on the rock at when the lights go out

so it's important to provide ample hiding spots with rocks in their tank

it is reef safe and will not harm corals or other inhabitants

Micromussa sp

The Little Red Ferrari Acropora is a fast

Arrow Crab Size:Large The emerald crab is mostlyThe Arrow Crab, also known as the Spider Crab, is a unique addition to any *saltwater aquarium. The Arrow Crab is very noticeable for its extremely long legs and arrow shaped body. The Arrow crabs can vary in size, typically reaching up to six inches, so make sure you have enough room for this leggy crab to move around. Females are usually smaller than males. Adaptable to reef environments, the Arrow Crab often resides in small caves or crevices