PerspectiveEcology

Why Gobies Are Like Hobbits

Science  03 Jan 2003:
Vol. 299, Issue 5603, pp. 51-52
DOI: 10.1126/science.1080775

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Summary

In the Caribbean waters around Puerto Rico, the blue and white forms of the goby fish live within 23 kilometers of each other yet remain genetically separate populations. This is surprising given that their pelagic larvae survive for 3 weeks and would be predicted to be dispersed by ocean currents over large distances (Taylor and Hellberg). In their Perspective, Palumbi and Warner discuss this discovery and comment on how the larvae manage to stay close to home.