Brown-back Mullet

Gracilimugil argenteus

Fish
IUCN: Not evaluated

Usual depth0–21 m
Water temperature15–26 °C
Best monthsMarch, September, and December
How commonOccasional

All species

Photo credit: (c) Nathan Ruser, some rights reserved (CC BY) · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 29 records
February: 16 records
March: 74 records
April: 36 records
May: 16 records
June: 40 records
July: 23 records
August: 24 records
September: 61 records
October: 25 records
November: 16 records
December: 70 records

Depth and water temperature

Depth

Mostly recorded at 0–21 m · Deepest record: 21 m

0–10 m: 6 records
10–20 m: 0 records
20–30 m: 1 records

Water temperature

Recorded in surface water of 15–26 °C

14–16 °C: 11 records
16–18 °C: 12 records
18–20 °C: 151 records
20–22 °C: 65 records
22–24 °C: 38 records
24–26 °C: 4 records

Photos

Names and classification

English: Brown-back Mullet, Bull-nose Mullet, Fantail Mullet, Flat-tail Mullet, Flattail Mullet, Gold-gill, Gold-gill Mullet, Goldspot Mullet, Jumping Mullet, Jumpin Mullet, Ramsay's Mullet, Rockies, Rock Mullet, Tiger Mullet, Tygum, Tygum Mullet, Wankari

Names in 1 more languages

Japanese: ヒラオボラ

Other scientific names: Gracilimugil ramsayi, Gracimugil ramsayi, Liza argenta, Liza argentea, Liza ramsayi, Mugil argenteus, Mugil australis, Mugil ferrandi, Mugil peronii, Mugil ramsayi, Trachystoma ramsayi

Similar species

Conmuri
Aldrichetta forsteri
Flathead grey mullet
Mugil cephalus
Brasilian Mullet
Chelon dumerili
Diamond-scaled Mullet
Ellochelon vaigiensis
Black Spot Mullet
Myxus elongatus
Bigscale Mullet
Planiliza macrolepis

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).
967 open-data records from 1902 to 2014.
Species data updated November 3, 2026.

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