Fig. 1. The influence of feeding on the relative mass of the tissue (expressed as g kg^–1 body mass) of various segments of the gastrointestinal tract in the dogfish shark – (A) stomach-1 (cardiac stomach), (B) stomach-2 (pyloric stomach) and (C) intestine. The inset bars indicate the mass contributed by the tissue water content, and the differences represent the mass contributed by the tissue dry-matter content. Means ± 1 s.e.m. (N=6–8 at each time point). Means not sharing the same letter are significantly different (P<0.05); the same symbols apply to the mass contributed by tissue water content and so have not been repeated.