8. The Lionfish:
Also known as the pterois, the lionfish is a venomous fish found in the Indo-Pacific habitat. There are other names used for the reference to this type of fish. It has a distinct coloration on its body. The most prominent colors include white, red, black, and creamy stripes.
The lionfish has spiky fin rays that contain a poison (venom). In the case of a predator attack, it releases the poison and many of the predators end up dying in the attack. It is also dangerous to humans.