Arrow Crab Stenorhynchus seticornis

The Arrow Crab, also known as the Spider Crab, is a tropical marine creature with a triangular body shape and long legs. It grows up to 6 inches (15 cm) in size. They are peaceful scavengers that feed on decaying matter, small invertebrates like bristleworms and algae. They can be kept in marine aquariums to help control pests. Females carry eggs until they hatch into larvae. They require proper water quality and hiding places. 

Recommended minimum tank size: 10 gallons 

Basic water parameters: Temperature: 75-80°F (24-27°C), Salinity: 1.023-1.025, pH: 8.1-8.4