along the length of the fin, underwater observations show that the male can achieve
Acknowledgements
Many people too numerous to mention individually contributed to this
investigation by providing specimens and! or information on the material in their
care. My thanks go to all of them. In particular, I wish to acknowledge the assistance
of J.c. Tyler (USNM) and R. Winterbottom (ROM) who provided me with
information on the osteology and myology of monacanthids, and J.E. Randall
(BPBM) for the many specimens he made available. I am especially grateful to L.
Laurenson who volunteered his time to assist with the clearing and staining
programme. Technical assistance over the period of the study was provided by N.
Sinclair, N. Haig, and K. Smith (all at WAM).