Spotfin Lionfish
Top 10 in Top 10 World's Most Solitary Animals
The spotfin lionfish are as stunning and interesting fish. They are solitary for most of their adult life and will aggressively protect their home territory from other members of the same species or those of different species using their venomous dorsal spines. Compared to females, males are more aggressive.
These animals are ferocious predators, just as their name implies. The spotfin lionfish hunts primarily at night and will consume nearly any fish or crustacean it can grab. Since they spend a lot of energy seeking and must consume a lot of food, these often slow fish are often driven by hunger. Even though the finishes most of its feeding during the first hour of the night, it will stay outside until dawn.