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Natal stumpnose

Fish · Last reviewed 2026-08-27

The east coast's stumpnose and the most widespread of the three: a deep, silver, gold-lined sparid found from South Africa to Japan, and the one an Australian angler would call tarwhine.

The Natal stumpnose is the only one of South Africa's three stumpnoses that is not a southern African fish. It runs from the Red Sea and East Africa to Japan, China and Australia, which makes it the species that connects South African shore fishing to the wider Indo-Pacific.

IT IS THE ONE WITH THE GOLD LINES. A deep silvery body carrying a series of fine golden-yellow longitudinal lines along the flanks, with yellow in the fins. In Australia the same fish is tarwhine; in parts of the Indo-Pacific it is goldlined seabream.

IT IS THE LARGEST OF THE THREE FishBase records 80 cm and 12 kg — though a shore fish is usually far smaller.

IT USES ESTUARIES AND SURF ALIKE. Reef-associated and moving into brackish water, from the surface down to about sixty metres, so it turns up on KwaZulu-Natal beaches, in estuary mouths and around inshore reef.

AND ITS RULES SIT BETWEEN THE OTHER TWO: a minimum size, a daily bag limit, as a recreational species that may not be sold.

Identification

No photograph of Natal stumpnose has passed identity review yet, so none is shown. FishingHQ publishes a species photograph only once somebody has confirmed the animal in it against the species record’s own diagnostic features.

Scientific name
Rhabdosargus sarba
Family
Sparidae
Water
Saltwater, Brackish
Conservation status
Least Concern
Regions
East & Southern Africa, Indo-Pacific, Australia, East Asia
  • FINE GOLDEN-YELLOW LONGITUDINAL LINES along a deep silvery flank, with yellow in the fins. The character that names it in three languages.
  • THE BLUNT STUMPNOSE HEAD PROFILE of the genus.
  • LARGER THAN THE OTHER TWO SOUTH AFRICAN STUMPNOSES, to about 80 cm and 12 kg.
  • AN EAST-COAST FISH in South African terms; the white stumpnose is the west-coast one and the ranges do not meaningfully overlap.
  • THE SAME SPECIES AS THE AUSTRALIAN TARWHINE, which is worth knowing because a great deal of the accessible literature about it is Australian.

Size

Typical
25–40 cm; a legal minimum size applies.
Large
Over 50 cm is a large Natal stumpnose.

Exceptional: FishBase records a maximum of 80 cm and 12 kg.

How South African sea-fishing rules work

SOUTH AFRICA REGULATES SEA FISHING SPECIES BY SPECIES, WHICH IS NOT HOW MOST COUNTRIES DO IT.

A recreational permit is the entry ticket and not the whole of it. On top of it sits a minimum size and a daily bag limit SET PER FISH, a closed season on a small number of species, and a cumulative daily cap across everything caught — so being inside the limit for each species separately does not put you inside the limit overall.

THERE IS A CAP ON HOOKS on a rod-and-line permit. A spearfishing permit is separate, allows no breathing apparatus beyond a snorkel, and PROHIBITS SPEARFISHING IN AN ESTUARY — a flat ban rather than a limit, and the rule visitors most often do not know.

A LANDED FISH MUST KEEP ITS HEAD AND TAIL so its length can be checked. Nothing caught on a recreational permit may be sold by anyone. And a small list of species may not be caught, landed or possessed at all.

FISHINGHQ DOES NOT PRINT THE FIGURES, and the reason is on this page rather than in a policy document: the department's own guidance says adjustments may be forthcoming given the acknowledged crisis of linefish, the numbers differ by species and by area and by whether you were standing on a beach or sitting in a boat, and a stale figure on a fishing site is worse than no figure at all. Get the current position from the Department of Forestry, Fisheries and the Environment, and get the protected-area position from whichever body manages the stretch of coast you are on.

Official guidance — why, and the sources (2)

Stated by a fisheries authority, scientific institute or recognised angling body. Authoritative, but summarising rather than demonstrating.

  • Marine Recreational Fishing Regulations in South Africa South African Association for Marine Biological Research (SAAMBR), summarising the Marine Living Resources Act and its regulations, 2023 (Scientific institute)Relied on for: The minimum size, daily bag limit and closed season for this species, and the cumulative ten-fish daily cap that sits above every individual limit.States this directlyPassage read and verified
  • Marine Recreational Fishing: Regulations for Linefishing, under the Marine Living Resources Act Department of Forestry, Fisheries and the Environment, South Africa (published as issued under Act 18 of 1998), 2000 (Government fisheries body)Relied on for: The general framework: the permit requirement and its age threshold, the no-sale rule, the measurement convention, and the closed seasons named in the regulations themselves.States this directlyPassage read and verified

Lifecycle and reproduction

A widespread Indo-Pacific sparid that uses estuarine and sheltered inshore habitat as a juvenile and moves to reef-associated coastal water as an adult. Its very wide range means the South African population sits at the southern end of a distribution reaching to Japan, and life-history figures published from Australian or Asian populations do not necessarily transfer.

Spawns in coastal water with pelagic eggs and larvae, with juveniles recruiting into sheltered inshore and estuarine habitat. As with several sparids the species shows hermaphroditic tendencies across parts of its range, and the detail is better documented for the Australian and Asian populations than for the South African one.

Feeding and senses

Crushes small molluscs, crustaceans and worms from sand, reef and weed, with the incisor-and-molar dentition of the genus. In practice it takes prawn, small shellfish, worm and crab baits, and is a common incidental capture for anglers fishing for larger species on the KwaZulu-Natal coast.

Vision and taste at close range over mixed ground. Like its relatives it inspects rather than commits, and light traces and small hooks are what catch it consistently.

Through the year

Present through the year on the KwaZulu-Natal and Eastern Cape coast, moving between estuary mouths, surf and inshore reef. Numbers on any particular beach vary more with water condition and food than with any strong annual pattern.

Distribution

Indo-West Pacific, from the Red Sea and East Africa to Japan, China and Australia, reaching its southern African limit on the South African east coast. Reef-associated and entering brackish water, from the surface down to about sixty metres. Assessed by the IUCN as Least Concern in 2009.

This is a biological range — where the species occurs, not a prediction that you will catch one. To browse the fishing geography FishingHQ holds, start at fishing places.

Why anglers care

A common light-tackle capture on the KwaZulu-Natal and Eastern Cape coast, taken from beaches, estuary mouths and inshore reef. It is a recreational species that may not be sold, at a minimum size and a daily bag limit. Its wider significance is that it is the same fish as the Australian tarwhine, which makes it a useful bridge between two fishing cultures that rarely read each other.

Handling and returning

Straightforward, with the usual sparid provisos.

WET HANDS, HOLD ACROSS THE BACK, mind the dorsal spines and the incisors — neither is dangerous.

KEEP IT OUT OF HOT SAND. KwaZulu-Natal beaches are warm and a fish laid down while you rebait is a fish that will not swim off.

AND REMEMBER THE ESTUARY SPEARFISHING BAN if you meet it inside a river mouth.

Check the rules before you fish

Fishing laws, bylaws, access rules, seasons, bait restrictions and permitted methods vary by location and can change. Check the current rules from the relevant authority and the water you intend to fish before fishing.

Check with:

  • Current national or regional law for where you are fishing
  • Current local bylaws
  • The relevant fisheries authority
  • The landowner, club or fishery whose water it is
  • Any restrictions specific to the species or the method you intend to use

Where to go next

Where you will find it

More fish

Not related to this page — just the rest of the section. There is little else joined to this subject yet, and a short page should still lead somewhere.

Sources and evidence

  • FishBase: a global information system on fishes Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Scientific name, family, environment, depth range, latitudinal range, maximum recorded length and weight, and the IUCN category with its assessment date.States this directlyPassage read and verified
  • Marine Recreational Fishing Regulations in South Africa South African Association for Marine Biological Research (SAAMBR), summarising the Marine Living Resources Act and its regulations, 2023 (Scientific institute)Relied on for: The minimum size, daily bag limit and closed season for this species, and the cumulative ten-fish daily cap that sits above every individual limit.States this directlyPassage read and verified
  • Marine Recreational Fishing: Regulations for Linefishing, under the Marine Living Resources Act Department of Forestry, Fisheries and the Environment, South Africa (published as issued under Act 18 of 1998), 2000 (Government fisheries body)Relied on for: The general framework: the permit requirement and its age threshold, the no-sale rule, the measurement convention, and the closed seasons named in the regulations themselves.States this directlyPassage read and verified
  • The IUCN Red List of Threatened Species International Union for Conservation of Nature (Conservation authority)Relied on for: The global Red List category and the assessment behind it, assessed 02 December 2009. A statement about the species across its range and not about any managed stock.States this directlyCitation checked — the work exists and is described correctly
Why the 1 connections on this page are here, and the sources

Where you will find it

Backed by research 1 connection

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • The KwaZulu-Natal coast

    A claim that a coast or region contains the ground and conditions this species is associated with. It is a distributional statement about the world, it rests on the reference literature and on the institute that surveyed it, and it deliberately asserts nothing about access, permission or catch.

    • ORI Fish Fact Sheets: the species accounts of the Oceanographic Research Institute Oceanographic Research Institute, South African Association for Marine Biological Research (SAAMBR), Durban, 2023 (Scientific institute)Relied on for: Distribution, habitat, movement and residency for South African linefish, from the institute that did the tagging and the ageing.States this directlyPassage read and verified
    • FishBase: a global information system on fishes Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Recorded distribution, depth range and habitat association for the species named.States this directlyPassage read and verified

How FishingHQ labels evidence is explained in the evidence policy.

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