File:BiwaTrout(LakeBiwa-JP).jpg
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Captions
Species: Oncorhynchus masou rhodurus
The Biwa trout(or Biwa salmon) which returned to a river which flowed into the northern Lake Biwa in Shiga Prefecture, Japan for spawning. Breeding color has appeared.
Caught & Photo by メリケン・ステーツ
Nov. 01, 2005
Top- 20.3in(515mm) male
Bottom- 16.9in(429mm) female
- This trout is endemic species of Lake Biwa in Japan.
学名:Oncorhynchus masou rhodurus
ビワマスは、日本のja:琵琶湖にのみ生息するja:固有種。低水温を好むため、琵琶湖北部を中心に生息する。
撮影のため、婚姻色が発現し産卵期に遡上する成魚をメリケン・ステーツが捕獲し自身が撮影(上はオス-51.5cm 下はメス-43cm)。乱獲防止のため、河川名は伏せます。
2005年11月1日(火)
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:38, 6 November 2005 | 1,600 × 907 (458 KB) | OAS (talk | contribs) | Oncorhynchus masou subsp(The "Biwa Trout" which ascends the river with which the Lake Biwa is filled) by ~~~ Nov. 01, 2005 ==ビワマス== 2005年11月1日(火) 撮影のため遡上する産卵期の成魚を~~~が捕獲し� |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title |
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Camera manufacturer | WWL |
Camera model | PDC2070 |
Exposure time | 1/800 sec (0.00125) |
F-number | f/2 |
ISO speed rating | 100 |
Date and time of data generation | 00:04, 1 November 2005 |
Lens focal length | 7.4545454545455 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 04:39, 7 November 2005 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.1 |
Date and time of digitizing | 00:04, 1 November 2005 |
Meaning of each component |
|
Image compression mode | 2 |
APEX exposure bias | 0.090909090909091 |
Maximum land aperture | 1.5 APEX (f/1.68) |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
File source | Digital still camera |
Scene type | 0 |
IIM version | 2 |