title: Daily Rhythm in the Reaction of Fish to Light.
abstract: Bluegills in a 24-hour light-dark cycle were exposed briefly to light at a random time in the daily dark period. The duration of the accompanying "light-shock reaction" daily became longer at times early in the dark period and shorter at times in the later hours of darkness.
authors.forename: R E
authors.initials: RE
authors.lastname: Davis