Home · Bothidae · Imperial scaldfish
Imperial scaldfish (Arnoglossus imperialis) — Bothidae

Imperial scaldfish

Arnoglossus imperialis
Family: Bothidae
LC · Least Concern

The Imperial scaldfish (Arnoglossus imperialis) is a saltwater fish of the family Bothidae that grows up to 25 cm.

Length
25 cm
Water
Saltwater
Depth
20.0–350.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Eastern Atlantic from Scotland to Namibia, including the western Mediterranean Sea.
Edibility
Rarely eaten

Want the complete picture on the Imperial scaldfish?

Get the app

Description

The imperial scaldfish is a small, left-eyed flatfish of the family Bothidae reaching about 25 cm. The slender, laterally compressed body has a long dorsal fin running along almost the entire upper edge. The species is sexually dimorphic: males have a distinct black spot at the rear of the pelvic fin, while females show only a faint grey mark. The imperial scaldfish lives on sand, mud and shell bottoms of the eastern Atlantic, from Scotland to Namibia, and the western Mediterranean, usually between 40 and 200 m. It feeds on small bottom animals and has only minor commercial value.

Frequently asked questions

How do you recognise the Imperial scaldfish?

The Imperial scaldfish has a torpedo-shaped body, is mainly brown and shows a plain pattern. Small, left-eyed flatfish; males with a distinct black blotch at the rear of the pelvic fin, females with a faint grey blotch.

Where does the Imperial scaldfish live?

The Imperial scaldfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Eastern Atlantic from Scotland to Namibia, including the western Mediterranean Sea.

How big does the Imperial scaldfish get?

The Imperial scaldfish grows to a maximum of about 25 cm. On average the species is around 12 cm.

Is the Imperial scaldfish dangerous to humans?

No, the Imperial scaldfish is harmless to humans. None required: this species is harmless to humans.

Is the Imperial scaldfish edible?

The Imperial scaldfish is rarely eaten.

More photos

Imperial scaldfish (Arnoglossus imperialis) — Bothidae — 2
iNaturalist ((c) Xavier Rufray, some rights reserved (CC BY-NC))
Imperial scaldfish (Arnoglossus imperialis) — Bothidae — 3
iNaturalist ((c) Xavier Rufray, some rights reserved (CC BY-NC))
Imperial scaldfish (Arnoglossus imperialis) — Bothidae — 4
iNaturalist ((c) Pierre Corbrion, some rights reserved (CC BY-NC-SA))

Easily confused with

These species look like the Imperial scaldfish and live in the same waters.

Fin

Want the complete picture on the Imperial scaldfish?

Point your camera at the fish and Fin names the species in seconds. Free, and the Imperial scaldfish is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Imperial scaldfish verified
Scientific name
Arnoglossus imperialis
Family
Bothidae
Other names
Imperial scaldfish; Scaldfish verified

Appearance

Size class
Medium verified
Max length (cm)
25.0 verified
Average length (cm)
12.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Pattern
Plain sourced
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
20.0 verified
Max depth (m)
350.0 verified
Natural range
Eastern Atlantic from Scotland to Namibia, including the western Mediterranean Sea. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Worms, crustaceans, molluscs and benthic invertebrates inferred
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal sourced
Reproduction
Separate sexes verified
Sexual dimorphism
Yes verified
Seasonality
Bottom-living flatfish on sandy, muddy and shell bottoms, usually down to 200 m depth. sourced
Special features
Small, left-eyed flatfish; males with a distinct black blotch at the rear of the pelvic fin, females with a faint grey blotch. sourced

For anglers

Edibility
Rarely eaten verified
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Arnoglossus

More from the family Bothidae

Fin

Want the complete picture on the Imperial scaldfish?

Point your camera at the fish and Fin names the species in seconds. Free, and the Imperial scaldfish is one of 12,519 species in the app.

Get the app →
Is this the Imperial scaldfish? Get the app