Abstract
Individual sound production and aggregative choral behaviors in sciaenid fishes of the Indian River Lagoon system of east central Florida have been under study since 1977. Long term studies of sonifery augmented with equally long term life history research has allowed classification of their call behaviors relative to their ecology. Five sciaenid species, silver perch, Bairdiella chrysoura, spotted seatrout, Cynoscion nebulosus, black drum, Pogonias cromis, red drum, Sciaenops ocellata, and weakfish, Cynoscion regalis can be divided into temporal, spatial, morphological, and vocal guilds. These guilds reveal partitioning of estuarine resources not only for habitat, food, and predation avoidance, but also for reproductive biology, sonifery, and larval-juvenile ecology. Variation in call type is significant between these species further presenting implications for co-evolved mating strategies under syntopic conditions within confined lagoonal ecosystems.
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