Blackthroat seaperch

Doederleinia berycoides

Fish
IUCN: Not evaluated

Usual depth125–396 m
Water temperature17–29 °C
Best monthsJanuary, September, and November
How commonRare

Photo credit: (c) Totti, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

The blackthroat seaperch, also known as the rosy seabass, is a species of ray-finned fish in the family Acropomatidae, the temperate ocean-basses or lanternbellies. It is the only species in the monotypic genus Doederleinia. It is native to the eastern Indian Ocean and the western Pacific Ocean from Japan to Australia. In Japan it is known as nodoguro or akamutsu.

Text from the Wikipedia article “Blackthroat seaperch”, 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: 11 records
February: 9 records
March: 2 records
April: 2 records
May: 3 records
June: 7 records
July: 10 records
August: 9 records
September: 17 records
October: 4 records
November: 12 records
December: 5 records

Depth and water temperature

Depth

Mostly recorded at 125–396 m · Deepest record: 1,395.7 m

10–20 m: 1 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 1 records
110–120 m: 1 records
120+ m: 36 records

Water temperature

Recorded in surface water of 17–29 °C

16–18 °C: 1 records
18–20 °C: 2 records
20–22 °C: 3 records
22–24 °C: 1 records
24–26 °C: 21 records
26–28 °C: 37 records
28–30 °C: 20 records

Names and classification

English: Blackthroat seaperch, Rosy seabass, Rosy Sea-bass

Names in 3 more languages

Japanese: Akamutsu, アカムツ, 喉黒(ノドグロ)
Korean: 눈볼대
Simplified Chinese: 紅喉, 紅臭魚, 紅鱸, 赤鮭, 赤鯥

Other scientific names: Anthias berycoides, Corusculus berycoides, Doderleinia berycoides, Döderleinia orientalis, Doederleinia gracilispinis, Doederleinia orientalis, Etelis berycoides, Eteliscus berycoides, Rhomboserranus gracilispinis

Similar species

Glow-belly
Acropoma japonicum

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).
235 open-data records from 1908 to 2022.
Species data updated October 26, 2026.

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