Description Naked test of Arbacia lixula from Agay (French Mediterranean).
One ambulacra seems to have experienced a developmental issue. Licence : CC by-sa 4.0Author Ducarme, FrédéricJPG file - 4.55 MB - 3 399 x 2 551 pixels
Extra information Camera Maker: Canon Camera Model: Canon PowerShot SX240 HS Original Time Taken: 2015:07:03 09:33:17 Time Digitized: 2015:07:03 09:33:17 Shutter Speed: 1/250 sec Aperture: f/3.5 ISO Sensitivity: 400 Exposure Compensation: 0 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 3399 pixels Original Height: 2551 pixels Orientation: 1: Horizontal (normal) Focal Length: 4.5 mm Focal Length Equivalent in 35mm Film: 29.568777452096