Temporal Spawning Patterns of Several Surgeonfishes and Wrasses in American Samoa

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1998-01
Authors
Craig, P.C.
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University of Hawaii Press
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Three coral reef surgeonfishes (Acanthurus guttatus, A. triostegus, A. lineatus) and two wrasses (Thalassoma quinquevittatum, T. hardwickii) spawned year-round in American Samoa. Spawning occurred in or adjacent to the channel draining the fringing reef at specific times of day: dawn (A. lineatus), daytime (T quinquevittatum, T hardwickii), or dusk (A. guttatus, A. triostegus); and spawning time tracked seasonal changes in day length. Egg predation was high for the surgeonfishes, but predation by piscivores appeared to be low.
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Craig PC. 1998. Temporal spawning patterns of several surgeonfishes and wrasses in American Samoa. Pac Sci 52(1): 35-39.
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