I have had a couple you better not have them with other aggressive fish or it will starve because they do not come out and get food. I kept mine with a arrowana barracuda and a baby tsn and they died sudenly and all of the other fish was healthy. so be careful
Snakeheads have a prehistoric appearance, but they are in one the most advanced groups of teleost fishes - order Perciformes. They are very similar to they ancient bowfin in order Amiiformes, which has characteristics of both ancient fishes and the more derived teleosts.