Reply to Gagnon et al.: All color vision is more difficult in turbid water.
Museum of Vertebrate Zoology, University of California, Berkeley, CA 94720; astubbs@berkeley.edu.|Department of Integrative Biology, University of California, Berkeley, CA 94720.
Alexander L
AL
Stubbs
Department of Physics, Harvard University, Cambridge, MA 02138.|Department of Astronomy, Harvard University, Cambridge, MA 02138.
Christopher W
CW
Stubbs