Blackbelly rosefish

About this species

Helicolenus dactylopterus, blackbelly rosefish, bluemouth rockfish, and bluemouth seaperch, is a species of marine ray-finned fish belonging to the subfamily Sebastinae which is classified within the family Scorpaenidae. This Atlantic species is a typical sit-and-wait predator with a highly cryptic coloration.

Text from the Wikipedia article “Helicolenus dactylopterus”, 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: 836 records
February: 744 records
March: 2,031 records
April: 541 records
May: 523 records
June: 487 records
July: 3,582 records
August: 1,178 records
September: 7,605 records
October: 2,664 records
November: 2,741 records
December: 317 records

Depth and water temperature

Depth

Mostly recorded at 91–317 m · Deepest record: 1,159 m

0–10 m: 11 records
10–20 m: 4 records
20–30 m: 4 records
30–40 m: 13 records
40–50 m: 35 records
50–60 m: 224 records
60–70 m: 299 records
70–80 m: 351 records
80–90 m: 649 records
90–100 m: 621 records
100–110 m: 473 records
110+ m: 14,039 records

Water temperature

Recorded in surface water of 9–23 °C

8–10 °C: 21 records
10–12 °C: 320 records
12–14 °C: 298 records
14–16 °C: 45 records
16–18 °C: 55 records
18–20 °C: 40 records
20–22 °C: 4 records
22–24 °C: 2 records

Photos

(c) Karim Haddad, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Karim Haddad, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ryan Watson, some rights reserved (CC BY) · CC BY · iNaturalist
(c) James-LaFontaine, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Eridan Xharahi, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Cosimo Sanitate, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Blackbelly rosefish, Bleumouth rockfish, Blue-mouth, blackbelly rosefish, Blackbelly rosefish, Blue-mouth, bleumouth rockfish, blue-mouth, Bluemouth or rockfish, Blue-mouth Redfish, Jac, Jacopever, Rockfish, Rosefish

Names in 4 more languages

German: Blaumaul
Spanish: Cabra, Cabra de Altura, gallineta, Pollico, Pollo, rascacio ombligo, Rascasio Rubio, Rouget, Rubio
French: chèvre impériale, Rascasse du Fond, rascasse du nord, sébaste chèvre, sébaste-chèvre, Sébaste chèvre, Rascasse du nord
Japanese: ラプラタユメカサゴ

Other scientific names: Helicolenus imperialis, Helicolenus maculatus, Helicolenus maderensis, Helicolenus thelmae, Scorpaena dactyloptera, Sebastes dactyloptera, Sebastes dactylopterus, Sebastes imperialis, Sebastes maculatus

Similar species

Coral Cod
Helicolenus percoides
Bigeye Ocean Perch
Helicolenus barathri
Hilgendorf's rosefish
Helicolenus hilgendorfii
Hozukius emblemarius

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).
101,998 open-data records from 1880 to 2024.
Species data updated November 3, 2026.