Abstract
The roles of vision and olfaction in the homing mechanism of Oligocottus maculosus Girard are investigated in this present study. These were tested by studying the homing performance of displaced blind, anosmic, and normal individuals, and the home-site fidelity of replaced individuals. The study was conducted at a rocky beach near Port Renfrew, on the southwest coast of Vancouver Island, throughout 1968, 1969, and 1970. A significant reduction in. home-site fidelity was observed for blind and anosmic fish when compared with normal individuals, while no significant difference in fidelity was observed between them, indicating that both vision and olfaction are important components of home-site fidelity. From displacement experiments, blind fish are found to home belter than anosmic individuals, and on occasions they are equal in homing ability to normal fish. This indicates that vision may not be an important sensory channel in the homing of O. maculosus while olfaction may be. The homing mechanism is briefly discussed.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
