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.
Rinse thoroughly. To remove the thin, black intestine from the tail, grasp the top, middle tail fin (there are five fins), twist and pull. The vein should come out with the fin. Soak the crayfish in a strong salt solution for five minutes or more to further cleanse them and firm the flesh. Rinse.