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Crown of Thorns
Description Gliding on hundreds of tiny suction-cup feet, a crown-of-thorns sea star roams the reef, consuming immobile corals and leaving bare coral skeleton behind. Common in the Pacific and Indian Oceans and Red Sea, their numbers can soar during outbreaks that leave large areas of reef empty of living coral. The crown-of-thorns’ bright colors warn potential predators of their venomous spines, which can cause extremely painful wounds. (Photo by Konrad Hughen, Woods Hole Oceanographic Institution)
JPG file - 708.09 kB - 700 x 525 pixels
Extra information
Camera Maker: Canon
Camera Model: Canon PowerShot G9
Original Time Taken: 2008:05:20 10:20:56
Time Digitized: 2008:05:20 10:20:56
Shutter Speed: 1/60 sec
Aperture: f/2.8
ISO Sensitivity: 250
Exposure Compensation: 0 EV
Metering Mode: Pattern
Flash Fired: Red Eye, Auto-Mode
Original Width: 700 pixels
Original Height: 525 pixels
Orientation: 1: Normal (0 deg)
White Balance: 1
Focal Length: 7.4 mm
Focal Length Equivalent in 35mm Film: 187.08486983082
added on 2015-06-052 139 views
Camera Maker: Canon
Camera Model: Canon PowerShot G9
Original Time Taken: 2008:05:20 10:20:56
Time Digitized: 2008:05:20 10:20:56
Shutter Speed: 1/60 sec
Aperture: f/2.8
ISO Sensitivity: 250
Exposure Compensation: 0 EV
Metering Mode: Pattern
Flash Fired: Red Eye, Auto-Mode
Original Width: 700 pixels
Original Height: 525 pixels
Orientation: 1: Normal (0 deg)
White Balance: 1
Focal Length: 7.4 mm
Focal Length Equivalent in 35mm Film: 187.08486983082
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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Partnership for Observation of the Global Ocean is a charitable incorporated organisation registered and regulated by the Charity Commission of England and Wales, No 1171692
Partnership for Observation of the Global Ocean is a charitable incorporated organisation registered and regulated by the Charity Commission of England and Wales, No 1171692