Data from: Differential persistence favors habitat preferences that determine the distribution of a reef fish
Majoris, John E., Boston University
D'Aloia, Cassidy C., Boston University, Woods Hole Oceanographic Institution
Francis, Robin K., University of California System, Boston University
Buston, Peter M., Boston University
Published Dec 08, 2017 on Dryad.
Cite this dataset
Majoris, John E.; D'Aloia, Cassidy C.; Francis, Robin K.; Buston, Peter M. (2017). Data from: Differential persistence favors habitat preferences that determine the distribution of a reef fish [Dataset]. Dryad. https://doi.org/10.5061/dryad.vn712
A central focus of population ecology is understanding what factors explain the distribution and abundance of organisms within their range. This is a key issue in marine systems, where many organisms produce dispersive larvae that develop offshore before returning to settle on benthic habitat. We investigated the distribution of the neon goby, Elacatinus lori, on sponge habitat and evaluated whether variation in the persistence of recently settled individuals (i.e., settlers) among different sponge types can result in habitat preferences and establish their observed distribution. We found that E. lori settlers were more likely to occur on large yellow tube sponges (Aplysina fistularis) than on small yellow sponges or brown tube sponges (Agelas conifera). An experiment seeding settlers onto multiple species and sizes of sponge habitat revealed that settlers persist longer on large yellow sponges than on small yellow sponges or brown sponges. Habitat preference experiments also indicated that settlers prefer large yellow sponges over small yellow sponges or brown sponges. Settlers achieved these preference behaviors using visual, but not chemical, cues. Finally, new settlers arriving from the water column were more likely to occur on large yellow sponges than on small yellow sponges or brown sponges, indicating that the observed habitat preferences existed independent of prior experience. These results support the hypothesis that E. lori have evolved behavioral preferences for sponge habitats that will maximize their post-settlement persistence, and that decisions at settlement will shape the population level pattern of settler distribution on coral reefs.
Distribution of E. lori settlers on brown and yellow sponges
Persistence of E. lori settlers on brown and yellow tube sponges