Is tuna a ray-finned fish?
Tuna are ray-finned fish, which is part of “bony vertebrates” group. Sharks are cartilaginous fish; their group split off before bones evolved. Lampreys and hagfishes lack mineralized tissues entirely.Aug 13, 2019
Tuna are ray-finned fish, which is part of “bony vertebrates” group. Sharks are cartilaginous fish; their group split off before bones evolved. Lampreys and hagfishes lack mineralized tissues entirely.Aug 13, 2019
