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Gorgonian Tank

Arrow crab

Stenorhynchus seticornis

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Fun Facts

After shedding their molts, these crabs will sometimes eat their old shells!

Species Type:

Invertebrates

Common Name(s):

Arrow crab

Size:

The arrow crab can grow to 2.4 inches (6 centimeters) in length.

Diet:

Arrow crabs eat feather duster worms and other small marine organisms.

Range & Habitat:

In the Gulf of Mexico and Caribbean Sea, arrow crabs are commonly found on shallow coral reef colonies.

Details:

Arrow crabs are easily recognizable by their long, spider-like legs and pointy heads. Their bodies are yellow-brown with striking white and brown striping along their top side. These crabs are typically found in rocky reef habitats where they use their long legs to maneuver around the crevices and catch small prey such as shrimp and other invertebrates. Arrow crabs are often shy and prefer to stay hidden in the nooks and crannies of their environment.