File:Black-tip Reef Shark (27287430293).jpg
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editDescriptionBlack-tip Reef Shark (27287430293).jpg | Here is anohther shark species in the Ripley's Aquarium of Canada- the Black-tip Reef Shark, so called due to the back tips of it's dorsal and tail fins. The blacktip reef shark (Carcharhinus melanopterus) is among the most abundant sharks inhabiting the tropical coral reefs of the Indian and Pacific Oceans, this species prefers shallow, inshore waters. Its exposed first dorsal fin is a common sight in the region. Most black-tip reef sharks are found over reef ledges and sandy flats, though they have also been known to enter brackish and freshwater environments. This species typically attains a length of around 5.2 ft.Blacktip reef sharks have extremely small home ranges and exhibit strong site fidelity, remaining within the same local area for up to several years at a time. They are active predators of small bony fishes, cephalopods, and crustaceans, and have also been known to feed on sea snakes and seabirds. Under most circumstances, the blacktip reef shark has a timid demeanor and is easily frightened away by swimmers. However, its inshore habitat preferences bring it into frequent contact with humans, and thus it is regarded as potentially dangerous. As of early 2009, 11 unprovoked attacks and 21 attacks total (none fatal) were listed on the International Shark Attack File that are attributable to the blacktip reef shark. Most attacks involve sharks biting the legs or feet of waders, apparently mistaking them for their natural prey, and do not result in serious injury (Toronto, Canada, Nov.2015) |
Date | |
Source | Black-tip Reef Shark |
Author | shankar s. from Dubai, united arab emirates |
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editThis file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by shankar s. at https://flickr.com/photos/77742560@N06/27287430293. It was reviewed on 18 March 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
18 March 2024
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current | 01:39, 29 July 2019 | 4,928 × 3,264 (3.94 MB) | Mindmatrix (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D7000 |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/3.8 |
ISO speed rating | 1,250 |
Date and time of data generation | 23:40, 18 November 2015 |
Lens focal length | 23 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
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File change date and time | 23:40, 18 November 2015 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.3 |
Date and time of digitizing | 23:40, 18 November 2015 |
Meaning of each component |
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Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 3.8 APEX (f/3.73) |
Metering mode | Pattern |
Light source | Unknown |
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Color space | sRGB |
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File source | Digital still camera |
Scene type | A directly photographed image |
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Digital zoom ratio | 1 |
Focal length in 35 mm film | 34 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
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GPS tag version | 2.3.0.0 |