Did you know a lobsters blood is colorless?

Did you know that the lobster's blood has a bluish tint due to the presence of copper found in the blue haemocyanin molecule?

Did you know that the lobsters blood when exposed to oxygen it turns blue?

Did you know that human blood is red because that is the color of oxygen saturated hemoglobin in our blood stream?

Did you know that Lobsters have no hemoglobin to transport oxygen?