The Rainbow scorpionfish (Scorpaenodes xyris) is a saltwater fish of the family Scorpaenidae that grows up to 15 cm.
Eastern Pacific, from the Gulf of California to Peru and the oceanic islands.
Description
The rainbow scorpionfish is a small predatory fish of the family Scorpaenidae from the eastern Pacific. The species has a stocky, red-brown mottled body that provides camouflage, and reaches about 15 cm. It is common but inconspicuous and stays hidden in cracks, under ledges and on rock walls; small individuals often shelter among the long spines of sea urchins. The fin spines are venomous. It is an ambush predator feeding on small fishes and crustaceans. Because of its small size the species has no fishery value.
Frequently asked questions
How do you recognise the Rainbow scorpionfish?
The Rainbow scorpionfish has a torpedo-shaped body, is mainly red-orange and shows a marbled pattern. Venomous fin spines; well-camouflaged stalking predator; juveniles shelter among the spines of sea urchins.
Where does the Rainbow scorpionfish live?
The Rainbow scorpionfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Eastern Pacific, from the Gulf of California to Peru and the oceanic islands.
How big does the Rainbow scorpionfish get?
The Rainbow scorpionfish grows to a maximum of about 15 cm.
Is the Rainbow scorpionfish dangerous to humans?
The Rainbow scorpionfish is venomous — handle spines with care and seek medical help after a sting if needed. Be careful of the fin spines, which can carry venom and cause painful puncture wounds. Clean the wound and immerse it in water as hot as can be tolerated (about 45 °C) to break down the venom; seek medical help in case of severe pain, swelling or an allergic reaction.
Is the Rainbow scorpionfish edible?
The Rainbow scorpionfish is not usually eaten.
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Identification
Appearance
Habitat & distribution
Behaviour & biology
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Status & sources
Same genus Scorpaenodes
More from the family Scorpaenidae

Want the complete picture on the Rainbow scorpionfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rainbow scorpionfish is one of 12,519 species in the app.