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Midwater scorpionfish (Ectreposebastes imus) — Setarchidae

Midwater scorpionfish

Ectreposebastes imus
Family: Setarchidae
LC · Least Concern

The Midwater scorpionfish (Ectreposebastes imus) is a saltwater fish of the family Setarchidae that grows up to 18 cm.

Length
18 cm
Water
Saltwater
Depth
150.0–2000.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Venomous / poisonous
Range
Widespread in the deep sea; benthopelagic in midwater.
Edibility
Not eaten

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Description

The midwater scorpionfish is a scorpionfish (Setarchidae) from the deep sea. The species has a soft, dark body with large eyes and is, among all scorpionfishes, the best adapted to life in the open midwater. It lives benthopelagically in the deep water layers of the ocean, far from the bottom. It feeds on small crustaceans and small fishes. Like other scorpionfishes it bears venomous fin spines; a sting gives a painful puncture wound. Treat a sting with hot water and seek medical help if symptoms occur.

Frequently asked questions

How do you recognise the Midwater scorpionfish?

The Midwater scorpionfish has a torpedo-shaped body, is mainly red-orange and shows a plain pattern. The best adapted of the scorpionfishes to open midwater; venomous fin spines.

Where does the Midwater scorpionfish live?

The Midwater scorpionfish lives in the sea (marine waters) and is mostly found around open water. Widespread in the deep sea; benthopelagic in midwater.

How big does the Midwater scorpionfish get?

The Midwater scorpionfish grows to a maximum of about 18 cm. On average the species is around 10 cm.

Is the Midwater scorpionfish dangerous to humans?

The Midwater scorpionfish is venomous — handle spines with care and seek medical help after a sting if needed. The fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists.

Is the Midwater scorpionfish edible?

The Midwater scorpionfish is not usually eaten.

More photos

Midwater scorpionfish (Ectreposebastes imus) — Setarchidae — 2
SAIAB (CC BY 4.0) via GBIF — SAIAB
Midwater scorpionfish (Ectreposebastes imus) — Setarchidae — 3
Florida Museum of Natural History Ichthyology (CC BY-NC 4.0) via GBIF — UF
Midwater scorpionfish (Ectreposebastes imus) — Setarchidae — 4
© President and Fellows of Harvard College (CC BY-NC 4.0) via GBIF — MCZ
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All data

Identification

English name
Midwater scorpionfish verified
Scientific name
Ectreposebastes imus
Family
Setarchidae
Other names
Midwater scorpionfish verified

Appearance

Size class
Medium verified
Max length (cm)
18.0 verified
Average length (cm)
10.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Red / orange inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Open water sourced
Min depth (m)
150.0 verified
Max depth (m)
2000.0 verified
Natural range
Widespread in the deep sea; benthopelagic in midwater. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small crustaceans and small fishes sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
The best adapted of the scorpionfishes to open midwater; venomous fin spines. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Angling with lures or (dead/live) baitfish by trolling, casting or drift fishing in open water. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous sourced
First aid
The fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists. sourced

Status & sources

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

Same genus Ectreposebastes

More from the family Setarchidae

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