Splendid What Color Is Fish Blood Design Methods: An In-Depth Guide. Fish blood is red in color as it has hemoglobin, which is an iron compound carrying oxygen. This red color is due to the presence of a red pigment called hemoglobin.
Yes, it is true that fish contain blood. This red color is due to the presence of a red pigment called hemoglobin. May 2, 2022 by dibyajyoti bordoloi.