False-color image of a foraminiferan (pink) rending and consuming a bacterial biofilm (blue). The dark area is the region cleared by the foram in approximately 12 hours. Species not identified. Image courtesy of Joan Bernhard, WHOI. A version of this image appeared in Bernhard, J., and Bowser, S.S. (1992) Mar. Ecol. Prog. Ser. 83:263-272.