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Wednesday, February 08, 2012

Goby-Shrimp Mutualism

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ReefChat Administrator

March 22, 2006

Goby-Shrimp Mutualism

The association that exists between burrowing shrimp and gobiid fish found on many tropical reefs is mutually beneficial (for review see Karplus 1987). Shrimp of the genus, Alpheus, construct burrows for both themselves and the fish to reside. In return, the gobies provide protection and early warning signals against predators for the shrimp. The warning signals consist mostly of a rapid tail flick that is detected by the shrimp through its long antennae, which remain in constant contact with the goby. Karplus (1979) showed that the relationship is obligate for several shrimp-associated gobies with goby mortality being higher when the gobies are excluded from the burrows.

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Shrimp Goby

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