White steenbras

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White steenbras
Lithognathus lithognathus.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Sparidae
Genus: Lithognathus
Species:
L. lithognathus
Binomial name
Lithognathus lithognathus
(Cuvier, 1829)
White steenbras
White steenbras distribution
  Extant (resident)
Synonyms
  • Lithognathus capensisSwainson, 1839
  • Pagellus lithognathus(Cuvier, 1829)
  • Pagrus lithognathusCuvier, 1829

The white steenbras (Lithognathus lithognathus) is a species of fish in the family Sparidae [2] endemic to South Africa. [1] Due to overfishing, primarily by seine netting operations in False Bay, the white steenbras is now endangered and is about to become a 'no keep' species in South Africa. Massive breeding shoals are illegally wiped out by beach seine netters each year, [3] with the authorities doing little to prevent this. [4] The species was identified as a priority for research, management and conservation in a National Linefish Status Report. [5]

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The Sparidae are a family of fish in the order Perciformes, commonly called sea breams and porgies. The sheepshead, scup, and red seabream are species in this family. Most sparids are deep-bodied compressed fish with a small mouth separated by a broad space from the eye, a single dorsal fin with strong spines and soft rays, a short anal fin, long pointed pectoral fins and rather large firmly attached scales. They are found in shallow temperate and tropical waters and are bottom-dwelling carnivores.

<span class="mw-page-title-main">Seine fishing</span> Method of fishing with a net

Seine fishing is a method of fishing that employs a surrounding net, called a seine, that hangs vertically in the water with its bottom edge held down by weights and its top edge buoyed by floats. Seine nets can be deployed from the shore as a beach seine, or from a boat.

<span class="mw-page-title-main">White-spotted Izak</span> Species of shark

The white-spotted Izak or African spotted catshark is a catshark of the family Scyliorhinidae. It is found in the western Indian Ocean off the coasts of Natal, South Africa, southern Mozambique, Madagascar, Kenya, and Tanzania between latitudes 4° S and 37° S, at depths of between 220 and 440 m. It can grow up to 35 cm in length.

<span class="mw-page-title-main">Brown shyshark</span> Species of shark

The brown shyshark or plain happy is a species of catshark, part of the family Scyliorhinidae. It is endemic to the shallow, coastal waters of South Africa from west of Cape Agulhas to KwaZulu-Natal. This benthic species is usually found over sandy or rocky bottoms. Measuring up to 73 cm (29 in) long, the brown shyshark is stoutly built, with a broad, flattened head and rounded snout. Unlike other shysharks, the brown shyshark has a plain brown color, though some individuals have faint "saddle" markings or light or dark spots. When threatened, this shark curls into a circle with its tail over its eyes, which is the origin of the name "shyshark". It feeds on bony fishes and lobsters, and is oviparous with females laying pairs of egg capsules. The International Union for Conservation of Nature (IUCN) has assessed this harmless species as Vulnerable. It is of no commercial or recreational interest, but its limited distribution makes its entire population vulnerable to increases in fishing pressure or habitat degradation.

<i>Lithognathus</i> Genus of fishes

Lithognathus is a marine fish genus in the family Sparidae, members of which are commonly known as steenbras. They are primarily found in coastal regions in Southern Africa, but L. mormyrus also occurs in the Mediterranean Sea, Black Sea, Bay of Biscay and off various islands in the northeast Atlantic. Depending on the exact species involved, they reach a maximum length of between 26 and 200 cm.

<i>Acanthopagrus butcheri</i> Species of fish

Acanthopagrus butcheri, the black bream but also commonly known as the southern black bream, southern bream and blue-nosed bream, is a species of marine and freshwater fish of the porgy family, Sparidae. It is a deep-bodied fish, occasionally confused with other similar species that occur within its range, but is generally distinguished from these species by a lack of yellow ventral and anal fins. Southern black bream are endemic to Australia, inhabiting the southern coast from Shark Bay in Western Australia to Ulladulla, New South Wales, as well as Tasmania.

<i>Acanthopagrus australis</i> Species of fish

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<i>Petrus rupestris</i> Species of fish

Petrus rupestris is a species of fish in the family Sparidae and the only known member of the genus Petrus. The common name of this species is red steenbras. The species' population has been depleted by overfishing in African waters.

<span class="mw-page-title-main">Black musselcracker</span> Species of fish

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<i>Rhabdosargus holubi</i> Species of fish

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<span class="mw-page-title-main">West coast seabream</span> Species of fish

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<i>Pachymetopon blochii</i> Species of sea bream from South Africa

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References

  1. 1 2 Mann, B.Q.; Buxton, C.D.; Pollard, D.; Carpenter, K.E. & Iwatsuki, Y. (2014). "Lithognathus lithognathus". IUCN Red List of Threatened Species . 2014: e.T12137A505458. doi: 10.2305/IUCN.UK.2014-3.RLTS.T12137A505458.en . Retrieved 19 November 2021.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2006). "Lithognathus lithognathus" in FishBase . April 2006 version.
  3. Link to illegal hauls of white steenbras
  4. Public vow to stop illegal white steenbras hauls being made by beach seine netters
  5. Bennett, Rhett Hamilton (2012). Movement patterns, stock delineation and conservation of an overexploited fishery species, Lithognathus lithognathus (Pisces: Sparidae) (PhD). Grahamstown: Rhodes University.