Fin's Fish Guide
The Weedy scorpionfish (Rhinopias frondosa) is a saltwater fish of the family Scorpaenidae that grows up to 23 cm.
Asia: Australia, China, Taiwan/Ch Taipei, Indonesia, Japan, Madagascar and others
Description
The weedy scorpionfish is a scorpionfish (Scorpaenidae) from the Indo-West Pacific. The species grows to about 23 cm and has a stocky body entirely covered with skin flaps and fringes, making it look strikingly like a weathered piece of weed or a moss-grown stone; the colour varies greatly from yellow and red to purple and brown. As an ambush predator it sways with the current and engulfs passing fish and shrimp with a sudden suction strike. The dorsal spines are venomous and can give a very painful puncture wound.
Frequently asked questions
How do you recognise the Weedy scorpionfish?
The Weedy scorpionfish has a flattened, disc-shaped body and is mainly multicoloured. Bears venomous spines or tissue; handle with great care.
Where does the Weedy scorpionfish live?
The Weedy scorpionfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Australia, China, Taiwan/Ch Taipei, Indonesia, Japan, Madagascar and others
How big does the Weedy scorpionfish get?
The Weedy scorpionfish grows to a maximum of about 23 cm.
Is the Weedy scorpionfish dangerous to humans?
The Weedy scorpionfish is venomous — handle spines with care and seek medical help after a sting if needed. For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Scorpaenidae
Want the complete picture on the Weedy scorpionfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Weedy scorpionfish is one of 12,519 species in the app.