Description A group of live Astropyga radiata from Majicavo (Mayotte, western Indian ocean).
This species is used to grazing sea weeds on shallow seagrass beds.Author Ducarme, FrédéricJPG file - 5.47 MB - 4 000 x 3 000 pixels
Extra information Camera Maker: Canon Camera Model: Canon PowerShot D30 Image Title: Original Time Taken: 2017:01:14 11:07:26 Time Digitized: 2017:01:14 11:07:26 Shutter Speed: 1/500 sec Aperture: f/3.9 ISO Sensitivity: 160 Exposure Compensation: 0 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 4000 pixels Original Height: 3000 pixels Orientation: 1: Horizontal (normal) Focal Length: 5 mm Focal Length Equivalent in 35mm Film: 27.924754940989