Behavioral and ecological correlates of foureye butterflyfish, Chaetodon capistratus, (Perciformes: Chaetodontidae) infected with Anilocra chaetodontis (Isopoda: Cymothoidae).
نویسندگان
چکیده
We observed the behavior and ecology of Chaetodon capistratus infected and uninfected with the ectoparasitic isopod Anilocra chaetodontis to assess whether there may be parasite induced alterations in host biology, host defenses against infection, and/or pathology related to infection. We also examined habitat related differences in infection rates. Infected fish had higher rates of interaction with conspecifics and spent more time in low flow environments (which might improve transmission of juvenile parasites to new hosts). Butterfly fish without isopods were chased more frequently by damselfishes, fed more, and had larger territories. Time spent near conspecifics, and fish condition and gonadosomatic index did not vary between infected and uninfected fish. These results suggest that foureye butterfly fish behavior is altered by the isopod parasite in order for the isopods to more easily gain mates or transmit offspring to new hosts.
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ورودعنوان ژورنال:
- Revista de biologia tropical
دوره 51 Suppl 4 شماره
صفحات -
تاریخ انتشار 2003