Biology:Saddled seabream

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Short description: Species of fish

Saddled seabream
Oblada (Oblada melanura), Ċirkewwa, Malta, Malta, 2021-08-24, DD 26.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Spariformes
Family: Sparidae
Genus: Oblada
Cuvier, 1829
Species:
O. melanura
Binomial name
Oblada melanura
Synonyms[1]
  • Sparus melanurus Linnaeus, 1758

The saddled seabream (Oblada melanura), also called the saddle bream or oblade, is a species of ray-finned fish belonging to the family Sparidae, which includes the seabreams and porgies. It is the only species in the monospecific genus Oblada. This species is found in the Eastern Atlantic Ocean. It is an important food fish within its range.

Taxonomy

The saddled seabream was first formally described as Sparus melanurus by Carl Linnaeus in the 10th edition of Systema Naturae with its type locality given as the Mediterranean.[2] In 1829 Georges Cuvier classified S. melanurus in the monotypic genus Oblada. [3] A study of mitochondrial DNA in 2005 found that the saddled bream was the sister species of Diplodus puntazzo.[4] The genus Oblada is placed in the family Sparidae within the order Spariformes by the 5th edition of Fishes of the World.[5] Some authorities classify this genus in the subfamily Boopsinae,[6] but the 5th edition of Fishes of the World does not recognise subfamilies within the Sparidae.[5]

Etymology

The saddled seabream has the generic name Oblada, this is a latinisation of oblado, a vernacular name for this species in Marseille, one of three names (the others being blade and hibaldo) as recorded by Morten Thrane Brünnich in 1768. It’s specific name melanurus means “black tail” and is an allusion to the large black spot on the caudal peduncle.[7]

Description

The saddled seabream has an oblong shaped, somewhat compressed body. The dorsal profile of the head is straight and it has an elongated, sharply pointed snout with a low set horizontal, fleshy lipped mouth. The eyes are small and rear nostrils are slits. The scales on the crown do not reach past the rear margin of the eyes. The preoperculum has no scales. The teeth in the font of the flaws are small and arranged bands, the upper jaw thenn has 3-6 rows of molars with 2 and 4 rows of molars on the lower jaw. The dorsal fin is supported by 11 or 12 spines and 11 or 12 soft rays while the anal fin contains 3 spines and 10 or 11 soft rays. The background colour is grey with silvery tints, darker on the back, with 14 or 15 vertical dark brown or grey bars along the flanks. Three is a large white-edged black saddle marking on the caudal peduncle. The dorsal and caudal fins are pale yellowish or pinkish, the other fins are dark. [8] The saddled seabream has a maximum published total length of 36.6 cm (14.4 in), although 20 cm (7.9 in) is more typical, with a maximum published weight of 525 g (18.5 oz).[1]

Distribution and habitat

The saddled seabream is found in the Eastern Atlantic where it ranges from in the Bay of Biscay, Madeira, Cape Verde, Canary Islands and Strait of Gibraltar south to Angola. It is also found in the Mediterranean, Sea of Marmara and the term southern part of the Black Sea.[9] It is found at depths down to 30 m (98 ft) over rocky substrates and in bedside Zostera seagrass and seaweed.[1]

Biology

The saddled seabream is a gregarious fish, spawning in June and July. This species is an omnivorous fish, but feeds mainly on small invertebrates. [1] This species spawns between April and June and the juveniles settle between July and September. Normally this is a is gonochoristic fish, although some are protogynous, and all adults with lengths greater than 29.3 cm (11.5 in) are female.[9]

The fish was reported in September 2023 to be attacking older swimmers with warts, moles or cuts.[10]

Fisheries

The saddled seabream is valued as a food fish in the Mediterranean where 862 t (848 long tons; 950 short tons) were landed in 2005. It is fished for by both commercial and sports fishers, but it is not the target if a dedicated fishery. It is caught using beach seines, trawls, deep nets and hand lines and it is frequently for sale in fish markets throughout the northern Mediterranean. However, if is rarely offered for sale in North Africa, Israel or France and it is generally discarded by Portuguese fishers. Fish landed are sold fresh or frozen, although the flesh is not held in high esteem, and are also processed into fish meal or fish oil.[9]

References

  1. ↑ 1.0 1.1 1.2 1.3 Froese, Rainer and Pauly, Daniel, eds. (2023). "Oblada melanurus" in FishBase. October 2023 version.
  2. ↑ Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Species in the genus Oblada". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=species&genus=Oblada. 
  3. ↑ Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Genera in the family Sparidae". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=genus&family=Sparidae. 
  4. ↑ M. Summerer; R. Hanel; C. Sturmbauer (2005). "Mitochondrial phylogeny and biogeographic affinities of sea breams of the genus Diplodus (Sparidae)". Journal of Fish Biology 59 (6): 1638–1652. doi:10.1111/j.1095-8649.2001.tb00227.x. 
  5. ↑ 5.0 5.1 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. OCLC 951899884. 
  6. ↑ Parenti, P. (2019). "An annotated checklist of the fishes of the family Sparidae". FishTaxa 4 (2): 47–98. https://fishtaxa.com/menuscript/index.php/ft/article/view/49/52. 
  7. ↑ Christopher Scharpf (12 January 2024). "Order ACANTHURIFORMES (part 6): Families GERREIDAE, LETHRINIDAE, NEMIPTERIDAE and SPARIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. https://etyfish.org/acanthuriformes6/. 
  8. ↑ Kent E. Carpenter (2016). "Sparidae". The living marine resources of the Eastern Central Atlantic Volume 2 Bony fishes part 2 (Perciformes to Tetradontiformes) and Sea turtles. FAO Species Identification Guide for Fishery Purposes. Rome: FAO. pp. 2567–2620. ISBN 978-92-5-109267-5. https://www.fao.org/3/i5715e/i5715e.pdf. 
  9. ↑ 9.0 9.1 9.2 Cite error: Invalid <ref> tag; no text was provided for refs named iucn
  10. ↑ "Benidorm tourists warned about fish attacks after 15 people a day injured by bites". Euronews. 5 September 2023. https://www.euronews.com/travel/2023/09/05/benidorm-tourists-warned-about-fish-attacks-after-15-people-a-day-injured-by-bites. 

External links

Wikidata ☰ Q1771633 entry



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