Abstract
The ecological role and the association of Hippolyte zostericola (Smith, 1873) (Decapoda: Natantia) with different seagrass species in the Indian River Lagoon (Florida, USA) were investigated through field sampling and the analysis of diet, size–frequency distributions and laboratory experiments. Gut contents suggested that H. zostericola is a mesograzer which may be important in the transfer of primary production to higher trophic levels. Population size–frequency distributions showed a polymodal pattern variable according to the site. Preference experiments indicated that choice of seagrass species is not influenced by the available surface area of seagrass blades, nor by the presence of epiphytic food. Significant responses of the shrimp to the ambient light field, mediated by the seagrass canopy, were detected. A clear negative phototropism was observed for H. zostericola which may be an adaptive response to improve avoidance of visual predators.
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Received: 1 February 1998 / Accepted: 21 December 1998
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Zupo, V., Nelson, W. Factors influencing the association patterns of Hippolyte zostericola and Palaemonetes intermedius (Decapoda: Natantia) with seagrasses of the Indian River Lagoon, Florida. Marine Biology 134, 181–190 (1999). https://doi.org/10.1007/s002270050536
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DOI: https://doi.org/10.1007/s002270050536