Acanthopagrus berda

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Acanthopagrus berda
Acanthopagrus berda (Forsskal, 1775).jpg
Acanthopagrus berda (Forsskål, 1775)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Spariformes
Family: Sparidae
Genus: Acanthopagrus
Species:
A. berda
Binomial name
Acanthopagrus berda
(Fabricius, 1775)
Synonyms [2]
  • Sparus berda Fabricius, 1775
  • Chrysophrys berda (Fabricius, 1775)
  • Mylio berda (Fabricius, 1775)
  • Pagrus berda (Fabricius, 1775)
  • Sparus hasta Bloch & Schneider, 1801
  • Sparus calamara Cuvier, 1829
  • Chrysophrys calamara Valenciennes, 1830
  • Acanthopagrus calamara (Valenciennes, 1830)
  • Chrysophrys madagascariensis Valenciennes, 1830
  • Sparus madagascariensis (Valenciennes, 1830)
  • Chrysophrys berda calamara Day, 1876
  • Chrysophrys robinsoni Gilchrist & W. W. Thompson, 1908
  • Pagrus robinsoni (Gilchrist & W. W. Thompson, 1908)

Acanthopagrus berda, the goldsilk seabream, sly bream, picnic seabream, black sea bream, black porgy, picky bream, silver bream or river bream, is a species of ray-finned fish belonging to the family Sparidae, the sea breams and porgies. This species is found in the Indian Ocean.

Contents

Taxonomy

Acanthopargus berda was first formally described as Sparus berda in 1775 by the Danish zoologist Johan Christian Fabricius and published in Descriptiones animalium edited by Carsten Niebuhr. Fabricius based his description on the notes of Peter Forsskål who had died while on an expedition, which Neibuhr was also a member of, to Arabia. [3] The Type locality was given as Al Luhayyah in Yemen. [4] Some authorities classify the genus Acanthopagrus in the subfamily Sparinae, [5] but the 5th edition of Fishes of the World does not recognise subfamilies within the Sparidae. [6]

Etymology

Acanthopagrus berda has the specific name berda, which is the name for this species along the Red Sea coast of Yemen. [7]

Description

Acanthopagrus berda has a relatively deep and compressed body with the depth of its body fitting into its standard length between 2.4 and 2.6 times. The dorsal fin is supported by 11 or 12 spines, while the anal fin has 3 spines, with the second spine being longer than the third, and 8 or 9 soft rays. [8] There are robust molar-like teeth along both jaws, the rows of these teeth are clearly curved laterally at the back of the lower jaw. [2] It is dark olive brown on the upper body, becoming very black when the fish is stressed or excited, much paler on the lower body with metallic tints. [8] This species has a maximum published total length of 90 cm (35 in), although 35 cm (14 in) is more typical. [2]

Distribution and habitat

Acanthopagrus berda is found in the Indian Ocean. It is found along the eastern coast of Africa from the Egypt, Israel and Jordan south to the Eastern Cape of South Africa and Madagascar, east along the Asian coast to Peninsular Malaysia, Singapore and Sumatra. There are claims from freshwater in southern Africa but these are unconfirmed, although it has been recorded in freshwater in Madagascar, and records from the Persian Gulf are thought to be misidentifications of A. randalli . The goldsilk sea bream is dependent on estuaries and is found on areas of sand and mud substrates as deep as 50 m (160 ft). Juveniles and subadults are found in sheltered bays and estuaries. [1]

Biology

Acanthopagrus berda is a predatory species with just over half the prey recorded being crustacea, mainly crabs and barnacles, and bivalves, mussels in the genus Modiolus and oysters. Fish, squid and vegetable matter were also recorded as food items. [9] This species is a protandrous hermaphrodite, [2] with functional males being most numerous in smaller size classes. Adults have ovotestes but may be functionally male or female when spawning. The spawning season for this fish lasts from August to December off Kerala. [10]

Fisheries

Acanthopagrus berda is a popular species for recreational anglers which does not seem to be subjected to heavy fishing pressure. It is fished for by artisanal fisheries in India. [1] This species is being studied for its potential for aquaculture in India. [11]

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References

  1. 1 2 3 Russell, B.; Mann, B.Q.; Buxton, C.D.; Pollard, D.A.; Carpenter, K.E.; Iwatsuki, Y.; Liao, L.; Shao, K.-T.; Sparks, J.S. (2017). "Acanthopagrus berda". IUCN Red List of Threatened Species . 2017: e.T170266A96231628. doi: 10.2305/IUCN.UK.2017-3.RLTS.T170266A96231628.en . Retrieved 12 November 2021.
  2. 1 2 3 4 Froese, Rainer; Pauly, Daniel (eds.) (2023). "Acanthpagrus berda" in FishBase. October 2023 version.
  3. Ronald Fricke (2008). "Authorship, availability and validity of fish names described by Peter (Pehr) Simon Forsskål and Johann Christian Fabricius in the 'Descriptiones animalium' by Carsten Niebuhr in 1775 (Pisces)". Stuttgarter Beiträge zur Naturkunde A, Neue Serie. 1: 1–76.
  4. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Acanthopagrus". Catalog of Fishes . California Academy of Sciences . Retrieved 20 December 2023.
  5. Parenti, P. (2019). "An annotated checklist of the fishes of the family Sparidae". FishTaxa. 4 (2): 47–98.
  6. Nelson, J.S.; Grande, T.C.; Wilson, M.V.H. (2016). Fishes of the World (5th ed.). Hoboken, NJ: John Wiley & Sons. pp. 502–506. doi:10.1002/9781119174844. ISBN   978-1-118-34233-6. LCCN   2015037522. OCLC   951899884. OL   25909650M.
  7. "Order SPARIFORMES: Families LETHRINIDAE, NEMIPTERIDAE and SPARIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. 17 October 2022. Retrieved 20 December 2023.
  8. 1 2 Yukio Iwatsuki and Phillip C Heemstra (2022). "Family Sparidae". In Phillip C Heemstra; Elaine Heemstra; David A Ebert; Wouter Holleman; and John E Randall (eds.). Coastal Fishes of the Western Indian Ocean (PDF). Vol. 3. South African Institute for Aquatic Biodiversity. pp. 284–315. ISBN   978-1-990951-32-9.
  9. Shilta Madathampady Thomas; Narinder Kumar Chadha; Suresh Babu; et al. (2018). "The Food and Feeding Habits of Goldsilk Seabream, Acanthopagrus berda (Forsskal, 1775)". Turkish Journal of Fisheries and Aquatic Sciences. 19 (7): 605–614. doi:10.4194/1303-2712-v19_7_07.
  10. Shilta Madathampady Thomas; Suresh Babu Padinhate Purayil; Chadha Narinder Kumar; et al. (2019). "The annual reproductive cycle and sex inversion of the Picnic seabream, Acanthopagrus berda (Forsskål 1775) from Indian waters: Histological and morphometric description". Aquaculture Research. 50 (10): 2917–2913. doi:10.1111/are.14246.
  11. "India develops hatchery technology for picnic seabream". Hatchery Feed & Management. Retrieved 20 December 2023.