Scorpaenopsis diabolus
Encounter Rate
Spotting Difficulty
Best Season
Year-round
Depth Range
1-30 meters
The devil scorpionfish is one of Komodo's most deceptive and well-camouflaged ambush predators, a stocky, warty fish that disguises itself among coral rubble and algae-covered rocks with near-perfect mimicry. Reaching about 30 centimetres in length, this mottled brown, red, or grey fish is covered in fleshy skin flaps and protrusions that break up its body outline, making it virtually indistinguishable from its surroundings. When disturbed, the devil scorpionfish reveals a hidden weapon — the inner surfaces of its pectoral fins flash vivid patterns of black, white, and orange, a startling display thought to confuse predators and give the scorpionfish a split-second to escape. Like all scorpionfish, venomous spines along its dorsal fin can deliver a painful sting if stepped on or handled. In Komodo, devil scorpionfish are found on rubble slopes, sand flats, and among coral debris at a variety of sites. Their talent for disguise means most divers swim directly over them without a clue, but experienced guides know their favoured resting spots and can point them out to observant guests. Once seen, their warty visage and hidden fin colours make them a rewarding and unusual photographic subject.
Average Size
15-22cm
Size Range
8-30cm
Maximum Size
30cm
Ambush predator feeding on small fish and crustaceans. Sits motionless and camouflaged, striking with rapid suction when prey ventures within range.
The devil scorpionfish is one of Komodo's most deceptive and well-camouflaged ambush predators, a stocky, warty fish that disguises itself among coral rubble and algae-covered rocks with near-perfect mimicry. Reaching about 30 centimetres in length, this mottled brown, red, or grey fish is covered in fleshy skin flaps and protrusions that break up its body outline, making it virtually indistinguishable from its surroundings. When disturbed, the devil scorpionfish reveals a hidden weapon — the inner surfaces of its pectoral fins flash vivid patterns of black, white, and orange, a startling display thought to confuse predators and give the scorpionfish a split-second to escape. Like all scorpionfish, venomous spines along its dorsal fin can deliver a painful sting if stepped on or handled. In Komodo, devil scorpionfish are found on rubble slopes, sand flats, and among coral debris at a variety of sites. Their talent for disguise means most divers swim directly over them without a clue, but experienced guides know their favoured resting spots and can point them out to observant guests. Once seen, their warty visage and hidden fin colours make them a rewarding and unusual photographic subject.
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.
No encounters shared yet
Be the first to share your sighting of this species!
The dorsal spines carry venom that causes significant pain and swelling. While not life-threatening like a stonefish sting, it can be debilitating and ruin your dive trip. Treat with hot water immersion and seek medical attention if symptoms persist.
