Fig. 3. Cardiac and brain adenosine levels (A) and plasma lactate (B),
K+ (C), Ca2+ (D) and Na+ (E) levels from
short-horned sculpin Myoxocephalus scorpius exposed to graded hypoxia
(8°C). *Significant difference (P<0.05) from levels
under normoxia; a indicates a significant difference from adjacent values (see
text for details).