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The embryonic development of the olfactory system in Amphiprion melanopus (Perciformes: Pomacentridae) related to the host imprinting hypothesis

Published online by Cambridge University Press:  04 April 2001

Michael Arvedlund ,
Kim Larsen  and
Heather Winsor
Michael Arvedlund
Affiliation:
Department of Marine Biology, James Cook University, Townsville, Queensland 4811, Australia The Horniman Museum &Gardens, 100 London Road, Forest Hill, London, SE23 3PQ, UK, E-mail: [email protected]
Kim Larsen
Affiliation:
School of Biological Sciences, Macquarie University, Sydney 2109, New South Wales, Australia
Heather Winsor
Affiliation:
Advanced Analytical Centre, James Cook University, Townsville, Queensland 4811, Australia
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Abstract

Development of the olfactory system in anemonefish embryos of the species Amphiprion melanopus was examined from day six post-fertilization, until hatching (day nine). An olfactory placode with receptor cells lining the epithelium and nerve axons from the placode into the olfactory bulb, was observed on newly hatched embryos. In addition, two different secondary bilateral receptor systems were found. These findings may firstly support the anemonefish host imprinting hypothesis, and secondly indicate that the ontogenetic timing of this imprinting mechanism occurs towards the end of the embryonic development.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 80 , Issue 6 , December 2000 , pp. 1103 - 1109
Copyright
© 2000 Marine Biological Association of the United Kingdom

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