Reproductive Behavior in the Fundulus heteroclitus-F. grandis Complex

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Abstract
The reproductive motor patterns of 5 fundulids of the F. heteroclitus-F. grandis complex (E. bermudae, F. grandis, F. h. heteroclitus, F. h. macrolepidotus, F. n. sp.) from the east coast of the USA and Bermuda were similar, based on observations in aquaria. The only major exception was for one male courtship behavior shared only by the Bermuda forms (F. bermudae and F. n. sp.). Spawning site selection, based on laboratory observations, varied between forms. Only F. h. heteroclitus preferred to deposit eggs in mussel shells while the other members of the complex spawned at a variety of other sites. Based on these and other studies, it appears that spawning site selection is more variable than reproductive motor patterns in the complex.

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