Pterois volitans
Encounter Rate
Spotting Difficulty
Best Season
Year-round
Depth Range
1-50 meters
The common lionfish is one of Komodo's most strikingly beautiful yet venomous reef inhabitants. With its elaborate fan-like pectoral fins, bold red and white zebra striping, and long feathery dorsal spines, it looks more like an ornamental sculpture than a living predator. Each of those elegant dorsal, pelvic, and anal spines carries a potent venom gland capable of delivering an intensely painful sting to careless divers. In Komodo, lionfish are commonly found tucked under overhangs, inside small caves, and among coral formations during the day, as they are primarily nocturnal hunters. At dusk, they emerge to hunt small fish and crustaceans using a remarkable technique — they spread their large pectoral fins to corner prey against the reef, then strike with a rapid inhalation that sucks the victim into their oversized mouth. They are slow-moving, confident predators that rely on their venomous defences rather than speed to deter threats, which makes them wonderfully cooperative photographic subjects.
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Average Size
20-30cm
Size Range
10-38cm
Maximum Size
38cm
Nocturnal predator feeding on small fish, shrimp, and crabs. Uses its fan-like pectoral fins to herd and trap prey against the reef before striking with a rapid suction feeding action.
The common lionfish is one of Komodo's most strikingly beautiful yet venomous reef inhabitants. With its elaborate fan-like pectoral fins, bold red and white zebra striping, and long feathery dorsal spines, it looks more like an ornamental sculpture than a living predator. Each of those elegant dorsal, pelvic, and anal spines carries a potent venom gland capable of delivering an intensely painful sting to careless divers. In Komodo, lionfish are commonly found tucked under overhangs, inside small caves, and among coral formations during the day, as they are primarily nocturnal hunters. At dusk, they emerge to hunt small fish and crustaceans using a remarkable technique — they spread their large pectoral fins to corner prey against the reef, then strike with a rapid inhalation that sucks the victim into their oversized mouth. They are slow-moving, confident predators that rely on their venomous defences rather than speed to deter threats, which makes them wonderfully cooperative photographic subjects.
This species plays an important role in the marine ecosystem of Komodo National Park. Responsible diving practices help protect these animals and their habitat for future generations.
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The sting causes intense, throbbing pain, swelling, and sometimes nausea. Immerse the wound in hot (not scalding) water at around 45°C, which breaks down the venom proteins. Seek medical attention, especially if you have an allergic reaction.
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