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Animals Photo Ark

Red Lionfish

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A red lionfish photographed at Pure Aquariums in Lincoln, Nebraska

About the Red Lionfish

Pretty much everything about the venomous red lionfish—its red-and-white zebra stripes, long, showy pectoral fins, and generally cantankerous demeanor—says, "Don't touch!"

Lionfish Venom

The venom of the red lionfish, delivered via an array of up to 18 needle-like dorsal fins, is purely defensive. It relies on camouflage and lightning-fast reflexes to capture prey, mainly fish and shrimp. A sting from a lionfish is extremely painful to humans and can cause nausea and breathing difficulties, but is rarely fatal.

Population Distribution

Red lionfish are native to the reefs and rocky crevices of the Indo-Pacific, although they've found their way to warm ocean habitats worldwide.

The largest of lionfish can grow to about 15 inches (0.4 meters) in length, but the average is closer to 1 foot (0.3 meters).

Red lionfish are popular in some parts of the world as food, but are far more prized in the aquarium trade. Their population numbers are healthy and their distribution is growing, causing some concerned in the United States, where some feel the success of this non-indigenous species presents human and environmental dangers.