Fig. 10. The respiratory responses of zebrafish Danio rerio pre-exposed to
hypercapnia (PwCO2=9 mmHg) for 28 days (unfilled circles)
to (A) acute hypoxia (N=11), (B) hypercapnia (N=11) or (C)
sodium cyanide (N=8) compared to the responses of control fish
(filled circles, N=12 different fish for each treatment).
*Significant differences within the control or experimental groups;
significant differences between the control and
experimental groups; two-way RM ANOVA (P<0.05).