File:Pangasianodon hypophthalmus.jpg
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DescriptionPangasianodon hypophthalmus.jpg |
English: Individual approx 500g, 40cm long; Anal rays 27; Pelvic rays 8; Dorsal rays 6+ spine; Pectoral rays ~8; Serrated spine ahead of both dorsal and pectoral fin; 2 pairs of barbels (1 chin and 1 maxillary); Vomeral teeth in narrow cresent shaped ridge, palatal teeth in two halves of a very narrow cresent. Swim bladder extended past anal fin. no lobes visible(?). ID based on barbel length, head profile, number of anal rays, dentition and single lobed swim bladder using (Roberts, Tyson R.; Chavalit Vidthayanon (1991-01-01). "Systematic Revision of the Asian Catfish Family Pangasiidae, with Biological Observations and Descriptions of Three New Species". Proceedings of the Academy of Natural Sciences of Philadelphia 143: 97–143. DOI:10.2307/4064995. ISSN 0097-3157. Retrieved on 2013-01-16.) see File:Pangasianodon_hypophthalmus_head_ventral_view.jpg for ventral view of head. Individual got at a Pune fish market. |
Date | |
Source | Own work |
Author | Staticd |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:05, 16 January 2013 | 2,946 × 1,243 (687 KB) | Staticd (talk | contribs) | User created page with UploadWizard |
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Metadata
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Camera manufacturer | EASTMAN KODAK COMPANY |
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Camera model | KODAK EASYSHARE C743 ZOOM DIGITAL CAMERA |
Exposure time | 18,167/1,000,000 sec (0.018167) |
F-number | f/2.7 |
ISO speed rating | 80 |
Date and time of data generation | 20:38, 16 January 2013 |
Lens focal length | 6 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | GIMP 2.6.12 |
File change date and time | 23:36, 16 January 2013 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 20:38, 16 January 2013 |
Meaning of each component |
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Image compression mode | 3.2 |
APEX shutter speed | 5.78 |
APEX aperture | 2.86 |
APEX exposure bias | 0 |
Maximum land aperture | 2.86 APEX (f/2.69) |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Exposure index | 80 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 36 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Macro |
Image width | 3,072 px |
Image height | 2,304 px |
Width | 6 px |
Rating (out of 5) | 0 |
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