Antarctic Icefish: How They Survive Without Red Blood Cells and Unique Adaptations
Icefish, part of the Channichthyidae family, are unique Antarctic fish. They do not have red blood cells or hemoglobin. This makes them the only known vertebrates without these oxygen transporters. Instead, they depend on dissolved oxygen in their blood plasma. This special adaptation helps them survive in cold waters. The lack of red blood cells … Read more