Involved in oxygen transport from gills to the various peripheral tissues. Hb1 is a heterotetramer of two alpha-1 chains and two beta chains. HbC is a heterotetramer of two alpha-1 chains and two beta-C chains. Red blood cells. This fish has three hemoglobins: Hb1 (major, about 65-70% of the total), Hb2 (about 5% of the total) and HbC (about 20-25% of the total). Hb1 and Hb2 display a very weak Bohr effect and no Root effect. Belongs to the globin family.