Mueller’s Flounder

Arnoglossus muelleri

Fish
IUCN: Least concern

Usual depth36–510 m
Water temperature11–22 °C
Best monthsJuly, September, and November
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 0 records
February: 2 records
March: 2 records
April: 1 records
May: 0 records
June: 0 records
July: 4 records
August: 1 records
September: 3 records
October: 2 records
November: 3 records
December: 0 records

Depth and water temperature

Depth

Mostly recorded at 36–510 m · Deepest record: 680 m

30–40 m: 5 records
40–50 m: 1 records
50–60 m: 4 records
60–70 m: 3 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 1 records
100–110 m: 0 records
110–120 m: 0 records
120–130 m: 1 records
130–140 m: 1 records
140+ m: 14 records

Water temperature

Recorded in surface water of 11–22 °C

10–12 °C: 16 records
12–14 °C: 0 records
14–16 °C: 13 records
16–18 °C: 11 records
18–20 °C: 2 records
20–22 °C: 0 records
22–24 °C: 1 records

Names and classification

English: Mueller’s Flounder

Other scientific names: Pseudorhombus muelleri

Similar species

Imperial scaldfish
Arnoglossus imperialis
Megrim
Arnoglossus scapha
Waite’s Flounder
Arnoglossus waitei
Arnoglossus andrewsi
Brown Flounder
Arnoglossus aspilos
Bass Strait Flounder
Arnoglossus bassensis

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.
Conservation status as published by GBIF (IUCN Red List).
47 open-data records from 1909 to 2005.
Species data updated October 27, 2026.

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