Fig. 5. Composition of mixed algal diet, pseudofaeces and pseudodiarrhoea. Composition (% dry mass) of the mixed algal diet and pseudofaecal materials produced by the zebra mussel when fed a mixture of the toxic cyanobacteria Microcystis aeruginosa (strain CCAP 1450/10) and the non-toxic diatom Asterionella formosa. Mix, mixed diet; Pin, pseudofaeces expelled by the inhalant siphon of the mussels; Ppg, pseudodiarrhoea expelled through the pedal gape of the mussels. Values are means ± s.e.m. (N=10).