Arrow Crab

The arrow crab is a triangular-shaped crab with long legs, a pointed head, and a body that is medium golden brown with stripes: 

·       Appearance

Arrow crabs have long, spider-like legs that can be up to three times the length of their body. Their bodies are triangular, and their heads are pointed with long, slender noses.Their eyes are on stalks that protrude from their bodies. Their claws are bright blue or violet. 

·       Size

Arrow crabs can range in size from 6–10 inches, with males being larger than females. 

·       Habitat

Arrow crabs live in rocky areas, coral reefs, shipwrecks, tube sponges, under anemones, and in the spines of sea urchins. They are found in the Atlantic, Gulf of Mexico, and Caribbean. 

·       Behavior

Arrow crabs are nocturnal, scavenging for food at night and hiding during the day.They are territorial and can be aggressive when threatened. 

·       Diet

Arrow crabs are carnivores that eat algae, worms, other invertebrates, and dead organisms. They may also attack crustaceans and small, slow-moving fish. 

·       Breeding

Arrow crabs mate by the male depositing a sperm packet into the female. The female carries the eggs under her abdomen until they hatch. 

Arrow crabs can be kept in marine aquariums, but they can cause trouble in smaller tanks and prefer a tank of at least 30 gallons. They need plenty of cover, such as rocks and corals, to hide in. Arrow crabs are sensitive to copper-based medications