Factors Controlling the Expansion Behavior of Favia favus (Cnidaria: Scleractinia): Effects of Light, Flow, and Planktonic Prey.
From: The Biological Bulletin
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Date: 4/1/2001
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Author: ACHITUV, Y.; CHADWICK-FURMAN, N. E.; LEVY, O.; MIZRAHI, L.
O. LEVY [*]
Abstract. Colonies of the massive stony coral Favia favus were exposed to different flow speeds and levels of light, and to the addition of zooplankton prey. The relative importance of each factor in controlling polyp expansion behavior was tested. The coral polyps fully expanded when they were exposed to low light intensity (0-40 [micro]mol [m.sup.-2] [s.sup.-1] and high flow speed (15 cm [s.sup.-1]), regardless of prey presence. They also partially expanded under ...
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