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Species Card Details

Dichistius capensis

Galjoen

Species Card Photograph

Group:

Bony fish

Size:

12-20 cm

Distribution:

The galjoen, black bream, or blackfish is found only along the coast
of South Africa

PromethION Sequencing Report:

Output:

135 Gigabases

Approximate N50:

3,8 kilobases

Assembly N50:

3 391.76 kilobases

Contig number:

1 638

Draft Genome Assembly Statistics:

Assembler used:

Flye

Genome Length:

0.69 Gigabases

BUSCO completeness score (single and duplicated genes):

99.6% [S: 96.5%, D: 3.1%]

BUSCO database:

eukaryota

Importance:

Galjoen is the national fish of South Africa. It is important to local commercial fisheries and is also popular as a game fish. It is currently not evaluated on the IUCN Red List. This is the first species in this genus to have its genome sequenced.

Sample Contributor contact details:

Dr Gwynneth Matcher
South African Institute for Aquatic Biodiversity

Date Published:

2026-07-19

Photo credit:

© G. Zsilavecz

Fauna

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