Multiple Hemoglobin Components in Cutthroat and Rainbow Trout Multiple hemoglobin components in fish is a well-documented phenomenon, with cutthroat trout having twelve (Figure 1a) and rainbow trout having nine

Multiple Hemoglobin Components in Cutthroat and Rainbow Trout Multiple hemoglobin components in fish is a well-documented phenomenon, with cutthroat trout having twelve (Figure 1a) and rainbow trout having nine (Figure 1b) hemoglobin components (Braman et al.1977). A high-resolution starch gel electrophoresis method was developed to resolve eight negatively charged hemoglobin components from both species, all of which migrate coincidentally toward the positive electrode (anode). Rainbow trout have one and cutthroat trout have four positively charged hemoglobin components migrating toward the negative electrode (cathode). The single positively charged rainbow trout hemoglobin component migrates coincidentally with one of the four positively charged cutthroat trout hemoglobin components.