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.
Like most seafoods there are several nutritional benefit that can be obtained from eating crawfish. These are primarily the high volume of B vitamins, most notable vitamin B12, and also the minerals copper, manganese, zinc, selenium, and phosphorus. Not to mention it's high protein content.However, there is always a drawback and with this fish, again like many other seafoods, it is the cholesterol that it contains.This makes crawfish both good and bad for you, and means that to help prevent your cholesterol level from reaching harmfully high levels, this is a food that should be eaten in real moderation.owever, there is always a drawback and with this fish, again like many other seafoods, it is the cholesterol that it contains. This makes crawfish both good and bad for you, and means that to help prevent your cholesterol level from reaching harmfully high levels, this is a food that should be eaten in real moderation.