
Blacktail
Diplodus capensis
- Usual depth1–6 m
- Water temperature15–25 °C
- Best monthsSeptember, October, and November
- How commonOccasional
Photo credit: (c) Peter Southwood, some rights reserved (CC BY-SA), uploaded by Peter Southwood · CC BY-SA · iNaturalist
About this species
Diplodus capensis, the Cape white seabream or blacktail seabream, is a species of marine ray-finned fish belonging to the family Sparidae, which includes the seabreams and porgies. This fish is found around the coasts of Southern Africa.
Text from the Wikipedia article “Diplodus capensis”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 275 records
- February: 196 records
- March: 203 records
- April: 218 records
- May: 283 records
- June: 147 records
- July: 149 records
- August: 223 records
- September: 335 records
- October: 427 records
- November: 292 records
- December: 260 records
Depth and water temperature
Depth
Mostly recorded at 1–6 m · Deepest record: 10 m
Water temperature
Recorded in surface water of 15–25 °C
Photos

(c) Georgina Jones, some rights reserved (CC BY-SA), uploaded by Georgina Jones · CC BY-SA · iNaturalist 
(c) Peter Southwood, some rights reserved (CC BY-SA), uploaded by Peter Southwood · CC BY-SA · iNaturalist 
(c) Shaun Swanepoel, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Andreas De Beer, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Henry de Lange, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Robert Taylor, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Blacktail, Cape white Seabream, Dassie, white seabream
Names in 4 more languages
- German
- Große Geißbrasse
- Spanish
- Sargo Común Del Cabo, Sargo Del Cabo
- French
- Sar Commun Du Cap
- Simplified Chinese
- 暗帶重牙鯛, 黑尾重牙鯛
Other scientific names: Sargus capensis
Similar species
White seabreamDiplodus sargus
zebraDiplodus hottentotus
Arabian pinfishDiplodus noct
Australian SeabreamAcanthopagrus australis
Santer seabreamCheimerius nufar
Englishman seabreamChrysoblephus anglicus
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).
- 2,476 open-data records from 1844 to 2015.
- Species data updated November 2, 2026.
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