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Pistol shrimp and bottom-dwelling goby form a symbiotic relationship from which both species benefit. The shrimp’s burrow provides excellent protection for the goby from predators while the goby provides security-like services to the weak-visioned shrimp. During the day, the goby hovers around the burrow’s opening while the shrimp stays inside searching for food and maintaining the burrow. If a predator approaches, the goby flicks its tail or retreats into the burrow tunnel, alerting the shrimp to danger.
A Goby-Shrimp pair:
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