Volitan Lionfish are some of the most fascinating of all marine fish for sale. Normally, Lionfish are located in the Indo-Pacific region. As with many species of lionfish for sale within the Scopaenidae family, you will find large and venomous spines that protrude from the back of their body. These poisonous spines are what gives them the common name Lionfish. Venomous spines keep the lionfish safe from it’s predators. The lifespan of a lionfish is anywhere from 10 to 15 years, however longer in captivity.