Imperial scaldfish

Arnoglossus imperialis

Fish
IUCN: Least concern

Usual depth37–91 m
Water temperature11–28 °C
Best monthsNovember
How commonCommon

About this species

Arnoglossus imperialis, the imperial scaldfish, is a species of flatfish from the family of left-eyed flounders, the Bothidae. It occurs in the eastern Atlantic from Scotland south to Namibia, extending into the western Mediterranean. This bottom dwelling species is sometimes caught as bycatch but is of little interest to fisheries.

Text from the Wikipedia article “Arnoglossus imperialis”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 114 records
February: 371 records
March: 3,289 records
April: 767 records
May: 92 records
June: 305 records
July: 26 records
August: 65 records
September: 869 records
October: 2,574 records
November: 7,201 records
December: 732 records

Depth and water temperature

Depth

Mostly recorded at 37–91 m · Deepest record: 435 m

0–10 m: 35 records
10–20 m: 202 records
20–30 m: 616 records
30–40 m: 2,092 records
40–50 m: 1,688 records
50–60 m: 1,678 records
60–70 m: 3,574 records
70–80 m: 2,934 records
80–90 m: 1,806 records
90–100 m: 813 records
100–110 m: 384 records
110+ m: 580 records

Water temperature

Recorded in surface water of 11–28 °C

10–12 °C: 23 records
12–14 °C: 617 records
14–16 °C: 235 records
16–18 °C: 44 records
18–20 °C: 5 records
20–22 °C: 0 records
22–24 °C: 0 records
24–26 °C: 1 records
26–28 °C: 1 records

Names and classification

English: Imperial scaldfish, imperial scaldfish, Imperial Scaldfish, Scaldfish, Trier's Scaldfish

Names in 2 more languages

Spanish: Peluda, Peluda Imperial, Serrandel Imperial, Tapaculos
French: Arnoglosse impérial

Other scientific names: Arnoglossus lophotes, Bothus imperialis, Charybdia rhomboidichthys

Similar species

Megrim
Arnoglossus scapha
Waite’s Flounder
Arnoglossus waitei
Arnoglossus andrewsi
Brown Flounder
Arnoglossus aspilos
Bass Strait Flounder
Arnoglossus bassensis
Brown Lefteye Flounder
Arnoglossus brunneus

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
20,961 open-data records from 1898 to 2024.

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