Title

Mass spawning in tropical reef corals

Document Type

Article

Publication details

Harrison, PL, Babcock, RC, Oliver, JK, Bull, GD, Wallace, CC & Willis, BL 1984, 'Mass spawning in tropical reef corals', Science, vol. 223, pp. 1186-1189.

Published version available from

http://dx.doi.org/10.1126/science.223.4641.1186

Peer Reviewed

Peer-Reviewed

Abstract

Synchronous multispecific spawning by a total of 32 coral species occurred a few nights after late spring full moons in 1981 and 1982 at three locations on the Great Barrier Reef, Australia. The data invalidate the generalization that most corals have internally fertilized, brooded planula larvae. In every species observed, gametes were released; external fertilization and development then followed. The developmental rates of externally fertilized eggs and longevities of planulae indicate that planulae may be dispersed between reefs.