Group Formation of Reef Fishes Induced Through Food Provisioning

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Abstract
Group formation of foraging reef fishes was induced with different quantities of preferred food, the algae that covers dead staghorn coral (Acropora cervicornis). The speed at which a species finds the food depends on its basic search patterns. Once a food patch is discovered, all species rapidly converge on the source, suggesting that individuals gain foraging cues (e.g., visual and auditory) from both conspecifics and other species. The largest food sources produce the largest groups, but this appears to be a product of increased group stability rather than an increase in the total numbers of fishes in the area.

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