A lionfish poses on a coral reef, Red Sea.

actinopterygii animal animal themes animals in the wild aquatic beauty in nature color image copy space coral reef danger day deadly egypt elphinstone reef firefish fish horizontal ichthyology lionfish marine biology nature no people one animal osteichthyes outdoors photography poisonous pterois volitans red sea scorpaenidae scorpaeniformes sea life side view spiked spine sunlight swimming tropical climate tropical fish undersea underwater venomous water wide angle wildlife zebrafish zoology