Arrow Crab (Stenorhynchus seticornis)

The Arrow crab, also known as the Spider crab has extremely long legs. It is called an arrow crab because of the shape of the body and head. They can reach anywhere from 6-10 inches. The crab has been known to attack crustaceans and may even attack slow moving fish. All crabs are opportunistic feeders and if the insufficient food is present they may pick at mushrooms or polyps for food. They can however been beneficial for eating bristle worms which some consider pests. Like most inverts they are very sensitive to copper based medications.

• Care Level

  Intermediate

• Tank Requirements

  10 gal minimum

• Reef Safe

  No

• Temperament

  Semi-Aggressive

• Diet

  Omnivore

• Current Size

  Approx. 2-2.5 inches

• Full-Size

  Approx. 10 inches

• Water Parameters

  0ppm, 72-82F, pH 8.0-8.3