A lionfish hovers over a reef with Snell's window in the background, Raja Ampat, Indonesia.

actinopterygii indonesia melanesia misool pterois pterois volitans raja ampat scorpaenidae snell's window animal animal themes animals in the wild aquatic color image coral reef danger day deadly fish horizontal hovering ichthyology lionfish marine biology no people ocean one animal osteichthyes outdoors photography poisonous scorpionfish sea life side view species spine stinger swimming tropical fish undersea underwater venomous wide angle wildlife zoology