No known obligate associations exist for S. louisianae. However, chain pipefish are associated with several organisms common to seagrass beds and drift algae communities. In Sargassum mats, S. louisianae can be found alongside a variety of other invertebrates and fishes, including: sargassumfish, Histrio histrio; sergeant majors, Abudefduf saxatilis; blue runners, Caranx crysos; gray triggerfish, Balistes capriscus; planehead filefish, Monacanthus hispidus; and greater amberjack, Seriola dumerili (Wells & Rooker 2004). For extensive lists of other species found throughout the ecosystems in which S. louisianae occurs, please refer to the "Habitats of the IRL" link at the left of this page.
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