Fig. 4. Red muscle glucose (A) and glucose 6-phosphate (B) concentrations in
control fish (open circles) and in fish swum at 30% Ucrit
(filled circles) and 60% Ucrit (open triangles) for up to
240 min and at 90% Ucrit (filled squares) for up to 45
min. See Fig. 2 caption for
other details.