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Offshore rockfish (Pontinus kuhlii) — Scorpaenidae

Offshore rockfish

Pontinus kuhlii
Family: Scorpaenidae
LC · Least Concern
NativeIntroduced

The Offshore rockfish (Pontinus kuhlii) is a saltwater fish of the family Scorpaenidae that grows up to 52 cm.

Length
52 cm
Water
Saltwater
Depth
100.0–600.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Venomous / poisonous
Range
Eastern Atlantic and the Mediterranean Sea, near rocky bottoms of the deeper continental shelf and around the Macaronesian islands.
Edibility
Rarely eaten

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Description

The offshore rockfish is a red-coloured deep-water scorpionfish of the family Scorpaenidae reaching about 52 cm. The red-pink body with paler blotches has a large, spiny head with bony ridges and notably long front dorsal-fin spines. The dorsal, pelvic and anal fins bear venomous spines. The species lives near rocky bottoms of the deeper continental shelf in the eastern Atlantic and the Mediterranean and around the Macaronesian islands. As a motionless ambush predator it waits for prey and sucks in passing small fish, crustaceans and squid with a sudden gulp. Because of the venomous spines a caught animal must be handled with care; the flesh itself is good to eat.

Frequently asked questions

How do you recognise the Offshore rockfish?

The Offshore rockfish has a torpedo-shaped body, is mainly red-orange and shows a spots pattern. Red-coloured deep-water scorpionfish with a large, spiny head, long dorsal fin spines and venomous fin spines.

Where does the Offshore rockfish live?

The Offshore rockfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Eastern Atlantic and the Mediterranean Sea, near rocky bottoms of the deeper continental shelf and around the Macaronesian islands.

How big does the Offshore rockfish get?

The Offshore rockfish grows to a maximum of about 52 cm. On average the species is around 32 cm.

Is the Offshore rockfish dangerous to humans?

The Offshore rockfish is venomous — handle spines with care and seek medical help after a sting if needed. The fin spines are venomous; a prick causes severe, burning pain. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical help for severe reactions.

Is the Offshore rockfish edible?

The Offshore rockfish is rarely eaten.

More photos

Offshore rockfish (Pontinus kuhlii) — Scorpaenidae — 2
P.C. Heemstra (CC BY 4.0) via GBIF — SAIAB
Offshore rockfish (Pontinus kuhlii) — Scorpaenidae — 3
iNaturalist ((c) Yvonne Scherrer, some rights reserved (CC BY-NC))
Offshore rockfish (Pontinus kuhlii) — Scorpaenidae — 4
Wieber, Kimberly (CC0 1.0) via GBIF — USNM
Offshore rockfish (Pontinus kuhlii) — Scorpaenidae — 5
iNaturalist ((c) Gianmaria Bonari, some rights reserved (CC BY))

Easily confused with

These species look like the Offshore rockfish and live in the same waters.

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All data

Identification

English name
Offshore rockfish verified
Scientific name
Pontinus kuhlii
Family
Scorpaenidae

Appearance

Size class
Large verified
Max length (cm)
52.0 verified
Average length (cm)
31.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Red / orange sourced
Pattern
Spots sourced
Tail shape
Rounded inferred
Mouth position
Superior (upward) inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Stone or rock verified
Min depth (m)
100.0 verified
Max depth (m)
600.0 verified
Natural range
Eastern Atlantic and the Mediterranean Sea, near rocky bottoms of the deeper continental shelf and around the Macaronesian islands. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Small fishes, crustaceans and cephalopods, caught from an ambush sourced
Social behaviour
Solitary verified
Territorial
Yes verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Resident, camouflaged deep-water bottom-dweller; eggs are deposited in a floating mucus mass. sourced
Special features
Red-coloured deep-water scorpionfish with a large, spiny head, long dorsal fin spines and venomous fin spines. sourced

For anglers

Edibility
Rarely eaten verified
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous verified
First aid
The fin spines are venomous; a prick causes severe, burning pain. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical help for severe reactions. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Pontinus

More from the family Scorpaenidae

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