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Zeus faber

Zeus faber (*)

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Paracanthopterygii
Series: Zeiogadaria
Subseries: Zeiariae
Ordo: Zeiformes
Subordo: Zeioidei

Familia: Zeidae
Genus: Zeus
Species: Zeus faber

Zeus faber Linnaeus, 1758


Linnaeus, C. 1758. Systema Naturae per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Tomus I. Editio decima, reformata. Holmiæ: impensis direct. Laurentii Salvii. i–ii, 1–824 pp DOI: 10.5962/bhl.title.542: 267. Reference page.
Zeus faber in the World Register of Marine Species

Vernacular names
Afrikaans: Jandorie
brezhoneg: Yar-vor
català: Gall
corsu: San Petru
Deutsch: Petersfisch
Ελληνικά: Χριστόψαρο
English: John Dory, St Pierre, Peter's Fish
Esperanto: Zeŭso
español: Pez de San Pedro
euskara: Muxumartin
suomi: Pietarinkala
français: saint-pierre, poule de mer, zée
galego: Sanmartiño, peixe de San Pedro
עברית: מוריג
hrvatski: Kovač, Šanpjer, Petrova riba
magyar: Kakashal, Szent Péter hala
italiano: Pesce San Pietro
日本語: マトウダイ
한국어: 달고기
Nederlands: Zonnevis
norsk nynorsk: Sanktpetersfisk
norsk: St. Petersfisk
polski: Piotrosz, paszczak
русский: Обыкновенный солнечник
srpskohrvatski / српскохрватски: Kovač
slovenščina: Kovač
svenska: Sanktpersfisk
Türkçe: Dülger balığı
українська: Зевс звичайний
Tiếng Việt: Cá dây Nhật Bản
中文: 日本的鯛

John Dory, St Pierre or Peter's fish, refers to fish of the genus Zeus, especially Zeus faber, of widespread distribution. It is an edible demersal coastal marine fish with a laterally compressed olive-yellow body which has a large dark spot, and long spines on the dorsal fin. The dark spot is used to flash an 'evil eye' if danger approaches. Its large eyes at the front of the head provide it with binocular vision and depth perception, which are important for predators. The John Dory's eye spot on the side of its body also confuses prey, which are scooped up in its big mouth.[3][4]

In New Zealand, Māori know it as kuparu, and on the East Coast of the North Island, they gave some to Captain James Cook on his first voyage to New Zealand in 1769. Several casks of them were pickled.[3]


Various, often doubtful explanations are given of the origin of the name. It may be an arbitrary or jocular variation of dory (from French dorée, gilded), or an allusion to John Dory, the hero of an old ballad. Others suggest that "John" derives from the French jaune, yellow. The novel An Antarctic Mystery by Jules Verne gives another account, which has some popularity but is probably fanciful: "The legendary etymology of this piscatorial designation is Janitore, the 'door-keeper,' in allusion to St. Peter, who brought a fish said to be of that species, to Jesus at his command." Other known names for the John Dory are the "St. Pierre", or "Peter's Fish", perhaps explaining why dories were often referred to as "Peter Boats", Saint Peter being the patron saint of fishermen.[5] A related legend says that the dark spot on the fish's flank is St. Peter's thumbprint.[6] In the north coast of Spain, it is known commonly as San Martiño.
John Dory, by William MacGillivray, c. 1840

The John Dory grows to a maximum size of 65 cm (2 ft) and 5 kg (12 lb) in weight. It has 10 long spines on its dorsal fin and 4 spines on its anal fin. It has microscopic, sharp scales that run around the body. The fish is an olive green color with a silver white belly and has a dark spot on its side. Its eyes are near the top of its head. It has a flat, round body shape and is a poor swimmer.
Prey and predators

The John Dory catches prey by stalking it, then extending its jaw forward in a tube-like structure to suck the fish in with some water. The water then flows out through the gills; the pre-maxillary bone, the only tooth-bearing bone in this fish, is used to grind the food.

The John Dory has a high laterally compressed body – its body is so thin it can hardly be seen from the front. The large eyes at the front of the head provide it with the binocular vision and depth perception it needs to catch prey. It has a large dark spot on both sides which it uses to flash an "evil eye" if danger approaches. This eye spot also confuses prey, which can then be sucked into its mouth.[7]

It primarily eats smaller fish, especially schooling fish such as sardines. Occasionally it eats squid and cuttlefish.

Its main predators are sharks such as the dusky shark, and large bony fish.

John Dory are benthopelagic coastal fish, found on the coasts of Africa, South East Asia, New Zealand, Australia, the coasts of Japan, and on the coasts of Europe. They live near the seabed, living in depths from 5 metres (15 ft) to 360 metres (1200 ft). They are normally solitary.
Reproduction and lifespan

When John Dories are 3 or 4 years of age, they are ready to reproduce. This happens around the end of winter. They are substrate scatterers, which means that they release sperm and eggs into the water to fertilize. Typical lifespan is about 12 years in the wild.
As food

The cookery writer Eliza Acton observes in her 1845 book, Modern Cookery for Private Families, that John Dory "though of uninviting appearance, is considered by some person(s) as the most delicious fish that appears at [the] table". She recommends simply baking it "very gently", avoiding drying it out in the oven.[8]

Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2011-07-23. Retrieved 2007-12-25.
Iwamoto, T. (2015). "Zeus faber". IUCN Red List of Threatened Species. 2015: e.T198769A42390771. Retrieved 2 November 2021.
New Zealand Coastal Fish: John Dory.
Bray, Dianne. "John Dory, Zeus faber". Fishes of Australia. Archived from the original on 6 April 2017. Retrieved 24 August 2014.
see 1:Charlotte Mary Yonge, History of Christian names, Volume 1, pg. 359// 2: Abraham Smythe Palmer "Folk Etymology; Verbal Corruptions Or Words Perverted In Form Or Meaning pg. 196// 3.David Badham, Prose halieutics: or, Ancient and modern fish tattle/ 4: American Notes and Queries, Volume 3 pg. 129// and 5: Fraser's Magazine For Town And Country, January To June 1853
The legend is noticed in Stéphan Reebs, Fish Behavior in the Aquarium and in the Wild (Cornell 1991:36); Reebs notes that the fish does not occur in the Sea of Galilee, where Peter fished.
Walrond, Carl (2006) Coastal fish - Fish of the open sea floor, Te Ara: Encyclopedia of New Zealand. Accessed 28 May 2019.

Acton, Eliza (1860) [1845]. Modern Cookery for Private Families. Longman, Green, Longman, & Roberts. p. 58.

This article incorporates text from a publication now in the public domain: Wood, James, ed. (1907). The Nuttall Encyclopædia. London and New York: Frederick Warne.

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