Description Detail of Heterocentrotus trigonarius from Réunion island : this species can be distinguished from its sister taxa from the spatulate (rather than tesselate) secondary spines.
Picture by Philippe Bourjon.Author Philippe BourjonJPG file - 839.65 kB - 1 200 x 925 pixels
Extra information Camera Maker: Sony Camera Model: DSC-RX100M2 Image Title: Original Time Taken: 2013:03:19 11:20:04 Time Digitized: 2013:03:19 11:20:04 Shutter Speed: 1/30 sec Aperture: f/2.8 ISO Sensitivity: 160 Exposure Compensation: 0 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 1200 pixels Original Height: 925 pixels Orientation: 1: Normal (0 deg) Focal Length: 10.4 mm Focal Length Equivalent in 35mm Film: 28
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