IS A LION FISH VERTEBRATE?

Yes, lionfish are vertebrates. Vertebrates are animals that have a backbone or spinal cord. Lionfish belong to the class Actinopterygii, which includes all ray-finned fishes. They are characterized by their long, spiky fins and their ability to change color. Lionfish are native to the Indo-Pacific region, but have been introduced to other parts of the world, where they have become an invasive species.