Free Content Temporal Patterns of Reproduction in the Red Sea Damselfish Amblyglyphidodon Leucogaster

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Abstract:

The seasonal, lunar and diurnal spawning patterns of the Red Sea whitebelly damselfish Amblyglyphidodon leucogaster were investigated in Eilat, Israel over 3 years. Males were permanently territorial and defended a specific nest site, while females moved about the study site. All reproductive activity was confined to a distinct breeding season from May to September. Spawning activity exhibited no lunar periodicity and occurred each day of the lunar month. Diurnal spawning activity tend to be concentrated around sunrise but spawning occurred throughout the day. Females spawned asynchronously and were capable of laying a batch of eggs every second day. Spawning generally involved a single male and female, but mating involving multiple females also occurred. Females were promiscuous and mated with as many as 15 different males. Males brooded from one to eight clutches of eggs in the nest at one time. Brood cycles lasted from 6 to 12 days and males completed a number of brood cycles per season. Eggs were defended by the male for 5–8 days prior to hatching. The pattern of spawning exhibited by A. leucogaster appears to be inconsistent with larval biology hypotheses. Factors affecting adult biology may control reproduction on each time scale.

Document Type: Research Article

Publication date: November 1, 1995

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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