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| 질의: hammerhead shark | 결과: 3번째/85 | |
Smooth hammerhead shark (Sphyrna zygaena)
| 제목: | Smooth hammerhead shark (Sphyrna zygaena)
| | 올린이: | Wiki Photos (---@---.---)
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| 해상도: 2283x1342
파일크기: 343281 Bytes
등록시간: 2022:09:14 13:42:19
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Sphyrna zygaena syn. Squalus zygaena
Date 1796
Source https://www.flickr.com/photos/biodivlibrary/6918381652
Author Marcus Elieser Bloch
Full title Ichthyologie; ou, Histoire naturelle des poissons : En six parties avec 216 planches dessinées et enluminées d'après nature / par Marc Éliéser Bloch.
Source: https://commons.wikimedia.org/wiki/File%3AIchthyologie%3B_ou%2C_Histoire_naturelle_des_poissons_%28Plate_117%29_%286918381652%29.jpg
The smooth hammerhead shark (Sphyrna zygaena) is a species of hammerhead shark, and part of the family Sphyrnidae. This species is named "smooth hammerhead" because of the distinctive shape of the head, which is flattened and laterally extended into a hammer shape (called the "cephalofoil"), without an indentation in the middle of the front margin (hence "smooth"). Unlike other hammerheads, this species prefers temperate waters and occurs worldwide at medium latitudes. In the summer, these sharks migrate towards the poles following cool water masses, sometimes forming schools numbering in the hundreds to thousands. (Wikipedia)
Order: Carcharhiniformes
Family: Sphyrnidae
Genus: Sphyrna
Species: Sphyrna zygaena (Linnaeus, 1758)
Synonyms
Squalis pictus Blainville, 1816
Squalus carolinensis Blainville, 1816
Squalus zygaena Linnaeus, 1758
Zygaena malleus Valenciennes, 1822
Zygaena subarcuata Storer, 1848
Zygaena vulgaris Cloquet, 1830 |
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