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Biol Bull 170: 526-531. (June 1986)
© 1986 Marine Biological Laboratory
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MATE GUARDING IN AMPHIPODS: A ROLE FOR BROOD POUCH STIMULI

PHILIP J. DUNHAM 1

1 Department of Psychology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1

In the amphipod, Gammarus lawrencianus, females carry fertilized eggs and occasionally brood juveniles in a ventral brood pouch. The male's decision to adopt and guard a female for mating purposes is influenced by the contents of the brood pouch. The presence of juveniles or recently fertilized eggs in the brood pouch inhibits the mate guarding decision; and an empty brood pouch facilitates it.

Submitted on July 15, 1985
Accepted on March 24, 1986






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