Galjoen (Lelystad)
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The galjoen, black bream, or blackfish (''Dichistius capensis'') is a species of marine
fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...
found only along the coast of
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
. Galjoen is the
national fish National may refer to: Common uses * Nation or country ** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen Places in the United States * National, Maryland, ce ...
of South Africa.


Distribution and habitat

The galjoen is indigenous to the coasts of southern Africa from Angola to
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
, and is generally found around reefs at shallow depths around , often near the shore.


Description

This species can reach in total length and a weight of . The body is compressed, and the fins are well developed, with prominent spines, 10 of them, with between 18 and 23 rays. The anal fin has three spines, and usually 13 or 14 rays, the pelvic fins have 1 spine and 5 rays, and the pectoral fins are typically shorter than the head. The body, fins, and head, with the except of the front of the snout, are covered in scales. The lips are thick, with strong curved incisors at the front of the mouth, with smaller teeth behind the front incisors.


Ecology


Diet

The species usually feeds on red and coraline seaweed and red bait, small mussels and
barnacle A barnacle is a type of arthropod constituting the subclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in eros ...
s found off rocky shores, and appear in particular to be a partial to the white mussels residing in the sandy beaches and inlets of the rocky outcrops along the southern coast.


Home area

In 2005, the movements of the species were extensively studied. Some 25,000 galjoen were tagged at four sites in reserves in South Africa and their overall movement was found to remain localised, with some 95% of fish studied seeming to frequent a particular area.


Importance to humans


Fishing

It is important to local commercial fisheries and is also popular as a game fish.


As food

Due to their abundance in the shores off South Africa, galjoen is common in South African cuisine. A notable dish is the fish sprinkled with pepper and lemon — or alternatively with lemon, mayonnaise, and melted garlic butter — and served with fresh bread and apricot jam.


As the national fish of South Africa

Galjoen is the national fish of South Africa. The suggestion to make it the national fish came from
Margaret Smith Margaret Smith or Maggie Smith may refer to: People *Margaret Smith Court, known as Margaret Court (born 1942), Australian tennis player *Margaret A. Smith, superintendent of Volusia County Schools *Margaret Bayard Smith (1778–1844), American aut ...
, the wife of ichthyologist
J. L. B. Smith James Leonard Brierley Smith (26 September 1897 – 8 January 1968) was a South African ichthyologist, organic chemist, and university professor. He was the first to identify a taxidermied fish as a coelacanth, at the time thought to be long ex ...
, to find a marine equivalent to the springbok.


Etymology

The scientific name of ''Coracinus capensis'' is a reference to its black colour when found in rocky areas, ''Coracinus'' meaning "raven" or "black coloured"; in sandy areas it gives off a silver-bronze colour.


References

{{Authority control Dichistiidae National symbols of South Africa Taxa named by Georges Cuvier Fish described in 1831