Grey reef shark - a photo on Flickriver

Grey reef shark

            The grey reef shark (Carcharhinus amblyrhynchos) is a species of the requiem shark. It is one of the most common species of shark found in the warm waters of the Indian and Pacific Oceans.
Grey reef sharks are generally found in the coastal regions and along continental shelves from the Middle East to the islands in the deep Pacific. Favoured habitats are of course the coral reefs.
Grey reef sharks are one of the smaller species of shark with adults reaching a maximum length of around 2m long and baby grey reef sharks being around 50cm long at birth. The grey reef shark has the typical "reef shark" shape, with a broad, round snout and large eyes. This species can be distinguished from similar species by the plain or white-tipped first dorsal fin, the dark tips on the other fins, the broad, black rear margin on the tail fin, and the lack of a ridge between the dorsal fins.
Grey reef sharks are fast-swimming, agile predators that feed primarily on free-swimming bony fishes and cephalopods. Their aggressive demeanor enables them to dominate many other shark species on the reef, despite their moderate size. During the day, these sharks often form groups of five to 20 individuals near coral reef drop-offs, splitting up in the evening as the sharks begin to hunt. 
This picture is taken in the large shark tank of Burgers Ocean, a part of Burgers Zoo in Arnhem, the Netherlands.

De grijze rifhaai (Carcharhinus amblyrhynchos) uit de familie van de requiemhaaien, ook wel menshaaien of roofhaaien genoemd, is een van de meest frequente bezoekers van de kustgebieden en de tropisch koraalriffen in de Rode Zee, de Indische en Grote Oceaan. 
De grijze rifhaai heeft een grijze kleur en een lichtere tot witte buik, en kan ongeveer twee meter lang worden. De punt van de eerste rugvin is wit gekleurd. Alle overige vinnen hebben een donker uiteinde, waarbij het staartuiteinde een geprononceerde zwarte rand heeft. De grijze rif haai heeft de typische gestroomlijnde rifhaaivorm met ondermeer een brede ronde snuit en grotere ogen. (Zie foto hierboven)
Deze snel zwemmende en wendbare roofdieren zijn overdag maar vooral ook gedurende de nacht actief, als zij zich voeden met vissen van het rif, inktvissen en kreeftachtigen als garnalen en krabben. Ze jagen vaak in groepen van 20 haaien. 
Ze zijn vaak  nieuwsgierig en geneigd duikers te benaderen. Ze zijn ongevaarlijk voor mensen.
Deze foto is genomen in Burgers Ocean, het aquariumdeel van Burgers Zoo. 
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All rights reserved. Copyright © Martien Uiterweerd (Foto Martien). 
All my images are protected under international authors copyright laws and may not be downloaded, reproduced, copied, transmitted or manipulated without my written explicit permission.
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Taken in: Nederland / Gelderland / Arnhem (show map)

Taken on: October 13, 2012

Tags:

Grey reef shark

Grijze rifhaai

Requin à queue noire

Requin gris de récif

Requin dagsit

Tiburón gris

سلیٹی ریف شارک

Сива рифова акула

Squalo grigio del reef

Gri resif köpek balığı

Cá mập san hô xám

Carcharhinus amblyrhynchos

Requiem shark

Carcharhinidae

Requiemhaai

Menshaai

Roofhaai

Shark

Haai

Hai

Haifisch

Requin

Tiburón

Red See

Indian Ocean

Pacific Ocean

Burgers Ocean

Tank

Aquarium

Burgers Zoo

Burgers Dierenpark

Burgers

Zoo

Dierenpark

Dierentuin

Arnhem

Veluwe

Holland

Gelderland

Netherlands

Nederland

Dutch

Sony Alpha SLT 77

A77V

A77

Minolta Macro 100 mm 2.8 mm

Martien Uiterweerd

Martien@Arnhem

Foto Martien « less

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Camera: Sony SLT-A77V, f/2.8, 1/160 sec, 100mm (=150mm), ISO 1600 (more info) (hide info)

Camera:	Sony SLT-A77V
Aperture:	f/2.8
Exposure Time:	0.006 sec (1/160)
Focal Length:	100mm (35mm equivalent: 150mm)
ISO:	1600
Exposure Bias:	0 EV
Flash:	Auto, Did not fire
Exposure Program:	Portrait
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Scene Capture Type:	Portrait
Color Space:	sRGB
Software:	Adobe Photoshop Elements 10.0 Windows
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