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Sardine

Sardines

Sardines are small epipelagic fish which sometimes migrate along the coast in large schools. They are an important forage fish for larger forms of marine life.
Global commercial capture of sardines in tonnes
reported by the FAO 1950–2009[1]

Sardines, or pilchards, are several types of small, oily fish related to herrings, family Clupeidae.[2] The term sardine was first used in English during the early 15th century, and may come from the Mediterranean island of Sardinia, around which sardines were once abundant.[3][4]

The terms sardine and pilchard are not precise, and what is meant depends on the region. The United Kingdom's Sea Fish Industry Authority, for example, classifies sardines as young pilchards.[5] One criterion suggests fish shorter in length than 6 inches (15 cm) are sardines, and larger ones pilchards.[6] The FAO/WHO Codex standard for canned sardines cites 21 species that may be classed as sardines;[7] FishBase, a comprehensive database of information about fish, calls at least six species "pilchard", over a dozen just "sardine", and many more with the two basic names qualified by various adjectives.

Contents

Genera

Sardines occur in several genera

Species

This article is
one of a series on
Commercial fish
Blue walleye.jpg
Predator
billfish, bonito
mackerel, salmon
shark, tuna

Forage
anchovy, herring
menhaden, sardine
shad, sprat

Demersal
cod, flatfish
pollock, ray
Commercially significant species
GenusCommon nameScientific nameMaximum
length
Common
length
Maximum
weight
Maximum
age
Trophic
level
Fish
Base
FAOITISIUCN status
SardinaEuropean pilchard*Sardina pilchardus (Walbaum, 1792)27.5 cm20.0 cmkg15 years3.05[8][9][10]Not assessed
SardinopsSouth American pilchardSardinops sagax (Jenyns, 1842)39.5 cm20.0 cm0.49 kg25 years2.43[11][12][13]Not assessed
    - Japanese pilchard    - Sardinops melanostictus (Schlegel, 1846)[14][15][16]Not assessed
    - Californian pilchard    - Sardinops caeruleus (Girard, 1854)[17][18][19]Not assessed
    - Southern African pilchard    - Sardinops ocellatus (Pappe, 1854)[20][21][22]Not assessed
SardinellaBali sardinellaSardinella lemuru (Bleeker, 1853)23 cm20 cmkgyears[23][24][25]Not assessed
Brazilian sardinellaSardinella brasiliensis (Steindachner, 1879)cmcmkgyears3.10[26][27][28]Not assessed
Japanese sardinellaSardinella zunasi (Bleeker, 1854)cmcmkgyears3.12[29][30][31]Not assessed
Indian oil sardineSardinella longiceps (Valenciennes, 1847)cmcmkgyears2.41[32][33][34]LC IUCN 3 1.svg Least concern[35]
Goldstripe sardinellaSardinella gibbosa (Bleeker, 1849)cmcmkgyears2.85[36][37][38]Not assessed
Round sardinellaSardinella aurita (Valenciennes, 1847)cmcmkgyears3.40[39][40][41]Not assessed
Madeiran sardinellaSardinella maderensis (Lowe, 1839)cmcmkgyears3.20[42][43][44]Not assessed
DussumieriaRainbow sardineDussumieria acuta (Valenciennes, 1847)cmcmkgyears3.40[45][46][47]Not assessed
In the 1980s the South American pilchard, Sardinops sagax, was the most intensively fished species of sardine. Some major stocks declined precipitously in the 1990s (see chart below).

There are four distinct stocks in the genus Sardinops, widely separated by geography. The FAO treats these stocks as though they are separate species, whereas FishBase treats them as though they are the same species, Sardinops sagax.[48]

Fisheries

Global capture of sardines in tonnes reported by the FAO

↑  Sardines of the Sardinops genus, 1950–2010 [1]
↑  Sardines not of the Sardinops genus, 1950–2010 [1]

The most important gear is an encircling net, particularly the purse seine. Many modifications of encircling nets are used, including traps or weirs. The latter are stationary enclosures composed of stakes into which schools of sardines are diverted as they swim along the coast. The fish are caught mainly at night, when they approach the surface to feed on plankton. After harvesting, the fish are submerged in brine while they are transported to shore.

Sardines are commercially fished for a variety of uses: for bait; for immediate consumption; for drying, salting, or smoking; and for reduction into fish meal or oil. The chief use of sardines is for human consumption, but fish meal is used as animal feed, while sardine oil has many uses, including the manufacture of paint, varnish and linoleum.

French sardine seiner

As food

Sardines are a common type of fish consumed by humans, as they are rich in nutrients. They are commonly served in cans, but fresh sardines are often grilled, pickled or smoked.

Sardines are rich in vitamins and minerals. A small serving of sardines once a day can provide 13 percent of vitamin B2; roughly one-quarter of niacin and about 150 percent of vitamin B12 of the recommended daily value. All B vitamins help to support proper nervous system function and are used for energy metabolism, or converting food into energy.[49] Also, sardines are high in the major minerals such as phosphorus, calcium, potassium, and some trace minerals like iron and selenium. Sardines are also a natural source of marine omega-3 fatty acids, which reduce the occurrence of cardiovascular disease.[50] Recent studies suggest that regular consumption of omega-3 fatty acids reduces the likelihood of developing Alzheimer’s disease.[51] These fatty acids may also help lower blood sugar levels a small amount.[52] They are also a good source of vitamin D,[53] calcium, vitamin B12,[54][55] and protein.

Because they are low in the food chain, sardines are very low in contaminants, such as mercury, relative to other fish commonly eaten by humans.[56]

History

In the United States, the sardine canning industry peaked in the 1950s. Since then, the industry has been on the decline. The last large sardine cannery in the United States, the Stinson Seafood plant in Prospect Harbor, Maine, closed its doors on April 15, 2010 after 135 years in operation.[57]

Pilchard fishing and processing became a thriving industry in Cornwall from around 1750 to around 1880, after which it went into an almost terminal decline. However, as of 2007, stocks are improving.[58] Since 1997, sardines from Cornwall have been sold as "Cornish sardines", and since March 2010, under EU law, Cornish sardines have Protected Geographical Status.[59] The industry has featured in numerous works of art, particularly by Stanhope Forbes and other Newlyn School artists.

The traditional "Toast to Pilchards" refers to the lucrative export of the fish to Catholic Europe;

"Here's health to the Pope, may he live to repent
 And add just six months to the term of his Lent
 And tell all his vassals from Rome to the Poles,
 There's nothing like pilchards for saving their souls!"[60]

Miscellany

The close packing of sardines in the can has led to their metaphorical use of the name in describing any situation where people or objects are crowded together, for instance, in a bus or subway car. It has also been used as the name of a children's game, where one person hides and each successive person who finds the hidden one packs into the same space until there is only one left out, who becomes the next one to hide.[61]

Sardines are a prominent prop in Michael Frayn's farce Noises Off.

See also

Notes

  1. ^ a b c Based on data sourced from the relevant FAO Species Fact Sheets
  2. ^ "What's an oily fish?". Food Standards Agency. 2004-06-24. http://www.food.gov.uk/news/newsarchive/2004/jun/oilyfishdefinition. 
  3. ^ Sardine Online Etymology Dictionary. Retrieved 15 April 2012.
  4. ^ "Sardine". The Good Food Glossary. BBC Worldwide. 2009. http://www.bbcgoodfood.com/content/knowhow/glossary/sardine/. Retrieved 2009-11-01. 
  5. ^ "FAQs". Seafish. http://www.seafish.org/resources/details.asp?id=238&i=13. Retrieved 22 February 2010. 
  6. ^ Robin Stummer (17 August 2003). "Who are you calling pilchard? It's 'Cornish sardine' to you...". The Independent. http://www.independent.co.uk/news/uk/home-news/who-are-you-calling-pilchard-its-cornish-sardine-to-you-536136.html. Retrieved 2009-11-01. 
  7. ^ "Codex standard for canned sardines and sardine-type products codex stan 94 –1981 REV. 1-1995". Codex Alimentarius. FAO/WHO Codex Alimentarius Commission. pp. 1–7. http://www.codexalimentarius.net/download/standards/108/CXS_094e.pdf. Retrieved 2007-01-18. 
  8. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardina pilchardus" in FishBase. April 2012 version.
  9. ^ Sardina pilchardus (Walbaum, 1792) FAO, Species Fact Sheet. Retrieved April 2012.
  10. ^ "Sardina pilchardus". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161813. Retrieved April 2012. 
  11. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinops sagax" in FishBase. April 2012 version.
  12. ^ Sardinops sagax (Jenyns, 1842) FAO, Species Fact Sheet. Retrieved April 2012.
  13. ^ "Sardinops sagax". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161729. Retrieved April 2012. 
  14. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinops melanostictus" in FishBase. April 2012 version.
  15. ^ Sardinops melanostictus (Schlegel, 1846) FAO, Species Fact Sheet. Retrieved April 2012.
  16. ^ "Sardinops melanostictus". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551222. Retrieved April 2012. 
  17. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinops caeruleus" in FishBase. April 2012 version.
  18. ^ Sardinops caeruleus (Girard, 1854) FAO, Species Fact Sheet. Retrieved April 2012.
  19. ^ "Sardinops caeruleus". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161730. Retrieved April 2012. 
  20. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinops ocellatus" in FishBase. April 2012 version.
  21. ^ Sardinops ocellatus (Pappe, 1854) FAO, Species Fact Sheet. Retrieved April 2012.
  22. ^ "Sardinops ocellatus". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551224. Retrieved April 2012. 
  23. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella lemuru" in FishBase. April 2012 version.
  24. ^ Sardinella lemuru (Bleeker, 1853) FAO, Species Fact Sheet. Retrieved April 2012.
  25. ^ "Sardinella lemuru". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551452. Retrieved April 2012. 
  26. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella brasiliensis" in FishBase. April 2012 version.
  27. ^ Sardinella brasiliensis (Steindachner, 1879) FAO, Species Fact Sheet. Retrieved April 2012.
  28. ^ "Sardinella brasiliensis". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161764. Retrieved April 2012. 
  29. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella zunasi" in FishBase. April 2012 version.
  30. ^ Sardinella zunasi (Bleeker, 1854) FAO, Species Fact Sheet. Retrieved April 2012.
  31. ^ "Sardinella zunasi". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551460. Retrieved April 2012. 
  32. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella longiceps" in FishBase. April 2012 version.
  33. ^ Sardinella longiceps (Valenciennes, 1847) FAO, Species Fact Sheet. Retrieved April 2012.
  34. ^ "Sardinella longiceps". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551453. Retrieved April 2012. 
  35. ^ Munroe TA and Priede IG (2010). "Sardinella longiceps". IUCN Red List of Threatened Species. Version 2011.2. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/154989. Retrieved April 2012. 
  36. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella gibbosa" in FishBase. April 2012 version.
  37. ^ Sardinella gibbosa (Bleeker, 1849) FAO, Species Fact Sheet. Retrieved April 2012.
  38. ^ "Sardinella gibbosa". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551449. Retrieved April 2012. 
  39. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella aurita" in FishBase. April 2012 version.
  40. ^ Sardinella aurita (Valenciennes, 1847) FAO, Species Fact Sheet. Retrieved April 2012.
  41. ^ "Sardinella aurita". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161763. Retrieved April 2012. 
  42. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Sardinella maderensis" in FishBase. April 2012 version.
  43. ^ Sardinella maderensis (Lowe, 1839) FAO, Species Fact Sheet. Retrieved April 2012.
  44. ^ "Sardinella maderensis". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161767. Retrieved April 2012. 
  45. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Dussumieria acuta" in FishBase. April 2012 version.
  46. ^ Dussumieria acuta (Valenciennes, 1847) FAO, Species Fact Sheet. Retrieved April 2012.
  47. ^ "Dussumieria acuta". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161822. Retrieved April 2012. 
  48. ^ See: Grant WS, Clark A-M, Bowen BW (1998) "Why restriction fragment length polymorphism analysis of mitochondrial DNA failed to resolve sardine (Sardinops) biogeography: insights from mitochondrial DNA cytochrome b sequences Canadian Journal of Fisheries and Aquatic Sciences, 55 (12): 2539–2547. doi:10.1139/f98-127
  49. ^ http://www.livestrong.com/article/276201-sardine-benefits/ Retrieved 2012-2-22
  50. ^ Kris-Etherton et al; Harris, WS; Appel, LJ; American Heart Association. Nutrition Committee (November 2002). "Fish Consumption, Fish Oil, Omega-3 Fatty Acids, and Cardiovascular Disease". Circulation 106 (21): 2747–2757. doi:10.1161/01.CIR.0000038493.65177.94. PMID 12438303. 
  51. ^ Sharon Johnson (6 November 2007). "Oily brain food ... Yum". The Mail Tribune. http://www.mailtribune.com/apps/pbcs.dll/article?AID=/20071106/LIFE/711060318/-1/LIFE0203. Retrieved 2009-11-01. 
  52. ^ "Omega-3 fatty acids, fish oil, alpha-linolenic acid: MedlinePlus Supplements". http://www.nlm.nih.gov/medlineplus/druginfo/natural/patient-fishoil.html. Retrieved 2010-01-22. "Fish oil supplements may lower blood sugar levels a small amount. Caution is advised when using herbs or supplements that may also lower blood sugar. Blood glucose levels may require monitoring, and doses may need adjustment." 
  53. ^ "Vitamin D and Healthy Bones". New York State Health Department. November 2003. http://www.health.state.ny.us/diseases/conditions/osteoporosis/vitd.htm. Retrieved 2009-11-01. 
  54. ^ "Vitamin B12". George Mateljan Foundation. http://www.whfoods.com/genpage.php?tname=nutrient&dbid=107. Retrieved 2012-04-11. 
  55. ^ "Vitamin B12". EatingWell. http://www.eatingwell.com/nutrition_health/nutrient_library/vitamin_b12. Retrieved 2012-04-11. 
  56. ^ "Mercury Levels in Commercial Fish and Shellfish". U S Food and Drug Administration. 5 July 2009. http://www.fda.gov/Food/FoodSafety/Product-SpecificInformation/Seafood/FoodbornePathogensContaminants/Methylmercury/ucm115644.htm. Retrieved 2009-11-01. 
  57. ^ Clarke Canfield (15 April 2010). "Last sardine plant in U.S. shuts its doors". Associated Press. http://www.msnbc.msn.com/id/36503650/ns/business-us_business/. Retrieved 2010-04-15. 
  58. ^ River Cottage: Gone Fishing 22/11/08
  59. ^ EU Directory of PGI/PDO/TSG - Cornish Sardines profile (accessed 1/11/2010)
  60. ^ Traditional Cornish Stories and Rhymes, 1992 edition, Lodenek Press
  61. ^ http://itpedia.nyu.edu/wiki/Stinky_Sardine_Club

References

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