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WoRMS Photogallery » Echinodermata (Echinoderms) » Asteroidea (starfish)
Astropecten platyacanthus
Astropecten platyacanthus
Description Rab (Croatia), 19/05/2011, depth -5 m, diameter cm 17 Normally it reaches a diameter of 9-12 cm and exceptionally it can measure up to 18 cm. Every superomarginal plates is equipped with one strong spine, usually sharp but irregularly shaped, slightly flattened laterally, often yellow or orange but rarely off white. It is distinguished from Astropecten bispinosus mainly for the superomarginal spines far from the inside edge of plates and they leave on top, on the base of them, a small bare area. Another important Astropecten platyacanthus’s feature is that the superomarginal plates are laterally, on vertical face, covered with scales and small spines rather than nude. Moreover, it is different because it has smaller, irregularly shaped, laterally flattened (rather than clean conical spine) superomarginal spines and because it has average less superomarginal plates on each arm. In addition, on average Astropecten platyacanthus has a central disc larger, a darker oral side and a small red point in the point of arms have.Author Pillon, Roberto · JPG file - 255.78 kB - 640 x 480 pixelsmore
Extra information
Camera Maker: Canon
Camera Model: Canon PowerShot A650 IS
Original Time Taken: 2011:05:19 09:39:46
Time Digitized: 2011:05:19 09:39:46
Shutter Speed: 1/500 sec
Aperture: f/3.2
ISO Sensitivity: 80
Exposure Compensation: 0 EV
Metering Mode: Center Weighted Average
Flash Fired: Compulsory Flash
Original Width: 4000 pixels
Original Height: 3000 pixels
White Balance: 1
Focal Length: 7.4 mm
Focal Length Equivalent in 35mm Film: 36.541886516763
added on 2012-02-06198 views
WoRMS taxa Astropecten platyacanthus (Philippi, 1837)Unreviewed: has not been verified by a taxonomic editorCreative Commons LicenseThis work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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