Jesse Owens' courageous achievement. A look back at the amazing feats of Jesse owens, winning four gold medals in Berlin in 1936 and defying the hatred of Hitler at the same time. Share this.
Report Abuse. Blue, due to the hemocyanin. Crayfish and many other organisms use copper to carry oxygen instead of iron like humans, so their blood is blue. http://www.hostourcoast.com/photos/posts...There's a picture of horseshoe crab blood, which is very similar to crayfish blood.ating Newest Oldest. Best Answer: Many lower animals carry oxygen in their blood stream by means of a dissolved substance called hemocyanin ,this pigment is blue in color. So crayfish has blue blood like lobster, crab, scorpion, octopus, squid, clam and mussel.
In the Eastern United States, crayfish is more common in the north, while crawdad is heard more in central and southwestern regions, and crawfish further south, although there are considerable overlaps.The study of crayfish is called astacology.n Australia many of the better-known crayfish are of the genus Cherax, and include the marron from Western Australia (now believed to be two species, Cherax tenuimanus and C. cainii), red-claw crayfish (Cherax quadricarinatus), common yabby (Cherax destructor) and western yabby (Cherax preissii).