1897 J. P. Whitney in E. A. Samuels xxii. 338 There are certain autumnal days when the conditions are favorable, when it would seem as if all the medium-sized trout in the waters were surface feeding.
1983 S. Cramp et al. (1985) III. 754/2 Surface-feeds whilst swimming, sometimes searching with head and neck immersed.
2006 R. Hafele v. 90/1 It appears that fish are surface-feeding on newly emerged adults but are taking preemergent nymphs below the surface.