Datoteka:Nautilus Pompilius.jpg
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Sažetak
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The Chambered Nautilus (Nautilus pompilius) is the best-known species of nautilus. The shell, when cut away as in the photograph in the gallery below, reveals a lining of lustrous nacre and displays a nearly perfect equiangular spiral. The shell exhibits countershading, being light on the bottom and dark on top. This is to help avoid predators because when seen from above, it blends in with the darkness of the sea, and when seen from below, it blends in with the light coming from above. The animal has more primitive eyes than some other cephalopods; the eye has no lens and thus is comparable to a pinhole camera. The animal has about 90 tentacles with no suckers, which is also different from other cephalopods. This nocturnal animal has a pair of rhinophores, which detect chemicals, and uses olfaction and chemotaxis in order to find its food. Taken in the Blue Reef Aquarium Southsea, Portsmouth. Comments welcome. |
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Nautilus pompilius - The Chambered Nautilus
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| Autor | Daniel Davis from Southsea, UK |
| Lokacija kamere |  | Ova i druge slike na njihovim lokacijama na: OpenStreetMap |  |
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Ovu sliku, izvorno postavljenu na Flickru, pregledao je December 16, 2011 administrator ili provjeritelj licencija File Upload Bot (Magnus Manske), koji je utvrdio da je je bila dostupna na Flickru na taj datum pod navedenom licencijom. | 
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| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
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| sadašnja | 11:11, 16. prosinca 2011. | | 1.024 × 768 (458 KB) | File Upload Bot (Magnus Manske) | {{Information |Description=The Chambered Nautilus (Nautilus pompilius) is the best-known species of nautilus. The shell, when cut away as in the photograph in the gallery below, reveals a lining of lustrous nacre and displays a nearly perfect equiangular |
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