Scarfe, A.D. (1980)
Spontaneous locomotor behavior of goldfish ( C. auratus ) and lemon sharks ( N. brevirostris) in response to different visual configurations. Dissertation abstract int 40B(12): 5575
Scarfe, A.D. (1978)
Spontaneous response of goldfish and lemon shark to horizontal, vertical and oblique visual configurations [Abstract]. American Zoologist, 18(3), 651