ORIENTATION OF FISHES.
Final rept. for 1 Sep 57-30 Aug 63,
WISCONSIN UNIV MADISON
Pagination or Media Count:
The over-all objective was the exploration of the cues used by fishes in accomplishing local or long distance movements and was an outgrowth of an earlier study in which it was shown that fishes could make their way through a stream system in response to a home odor. Further studies were needed to provide information on orientation in open water where odors must necessarily play a lesser role. The elucidation of orienting mechanisms requires both a laboratory study of sensory capabilities through electrophysiological and conditioning training techniques, and b field study of natural and induced movements as related to the environmental conditions under which these movements occur. Together, such studies pave the way for c experiments in the field in which the guiding cues are experimentally manipulated by sensory deprivation or environmental modification. Author