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.
I have a Crayfish holding about 35-40 eggs that are orange color and I've had them for almost 3 weeks and they still havent hatched so I want to know how long does it take for the eggs to hatch and at what temperature!...September 17th, 2009, 11:40 PM. have a Crayfish holding about 35-40 eggs that are orange color and I've had them for almost 3 weeks and they still havent hatched so I want to know how long does it take for the eggs to hatch and at what temperature!... September 17th, 2009, 11:40 PM.