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https://hdl.handle.net/2440/88094
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Type: | Journal article |
Title: | Sensory cues associated with host detection in a marine parasitic isopod |
Author: | Cook, C. Munguia Matute, P. |
Citation: | Marine Biology: international journal on life in oceans and coastal waters, 2013; 160(4):867-875 |
Publisher: | Springer |
Issue Date: | 2013 |
ISSN: | 0025-3162 1432-1793 |
Statement of Responsibility: | Colt Cook, Pablo Munguia |
Abstract: | Parasite population dynamics and the evolution of life history characteristics are strongly associated with the process of host infection. Parasites with free-living life stages have a narrow window to infect a host and have evolved a number of mechanisms to detect and locate a host. Cymothoa excisa is a parasitic isopod that is commonly found on the Atlantic croaker, Micropogonias undulatus, in the Gulf of Mexico. Here, we determined the infection window that constrains host-searching behavior in C. excisa and tested the behavioral response of the free-swimming larvae (mancae) to visual and chemical cues. Mancae were found to have an infection window of 7 days. Mancae were responsive to both visual and chemical cues. Our findings are the first to show that cymothoid isopods use visual and chemical cues to locate a host and that individuals display a host-locating strategy that maximizes host encounter rate, while reducing energy expenditure. |
Rights: | © Springer-Verlag Berlin Heidelberg 2012 |
DOI: | 10.1007/s00227-012-2140-1 |
Published version: | http://dx.doi.org/10.1007/s00227-012-2140-1 |
Appears in Collections: | Aurora harvest 7 Ecology, Evolution and Landscape Science publications |
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