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.
· 
Extra information
FileName: 48166.jpg
FileDateTime: 1328541240
FileSize: 255776
FileType: 2
MimeType: image/jpeg
SectionsFound: ANY_TAG, IFD0, EXIF, MAKERNOTE
COMPUTED.html: width="640" height="480"
COMPUTED.Height: 480
COMPUTED.Width: 640
COMPUTED.IsColor: 1
COMPUTED.ByteOrderMotorola: 0
COMPUTED.CCDWidth: 7mm
COMPUTED.ApertureFNumber: f/3.2
COMPUTED.UserComment:
COMPUTED.UserCommentEncoding: UNDEFINED
Make: Canon
Model: Canon PowerShot A650 IS
DateTime: 2011:05:19 09:39:46
YCbCrPositioning: 1
Exif_IFD_Pointer: 148
ExposureTime: 1/500
FNumber: 32/10
ISOSpeedRatings: 80
ExifVersion: 0220
DateTimeOriginal: 2011:05:19 09:39:46
DateTimeDigitized: 2011:05:19 09:39:46
ComponentsConfiguration:
CompressedBitsPerPixel: 5/1
ShutterSpeedValue: 287/32
ApertureValue: 107/32
ExposureBiasValue: 0/3
MaxApertureValue: 95/32
MeteringMode: 2
Flash: 9
FocalLength: 7400/1000
MakerNote:
UserComment:
FlashPixVersion: 0100
ColorSpace: 1
ExifImageWidth: 4000
ExifImageLength: 3000
FocalPlaneXResolution: 4000000/291
FocalPlaneYResolution: 3000000/219
FocalPlaneResolutionUnit: 2
SensingMethod: 2
FileSource:
WhiteBalance: 1
DigitalZoomRatio: 4000/4000
ModeArray.0: 0
ModeArray.1: 0
ModeArray.2: 0
ModeArray.3: 0
ModeArray.4: 1
ModeArray.5: 0
ModeArray.6: 4000
ModeArray.7: 4000
ModeArray.8: 0
ModeArray.9: 0
ModeArray.10: 65535
ModeArray.11: 0
ModeArray.12: 32767
ModeArray.13: 32767
ModeArray.14: 1
ModeArray.15: 0
ModeArray.16: 65535
ModeArray.17: 120
ModeArray.18: 2
ModeArray.19: 7400
ModeArray.20: 298
ModeArray.21: 224
ModeArray.22: 0
ModeArray.23: 0
ModeArray.24: 0
ModeArray.25: 0
ModeArray.26: 68
ModeArray.27: 65523
ModeArray.28: 160
ModeArray.29: 263
ModeArray.30: 107
ModeArray.31: 287
ModeArray.32: 0
ModeArray.33: 17
ModeArray.34: 0
ModeArray.35: 0
ModeArray.36: 0
ModeArray.37: 0
ModeArray.38: 0
ModeArray.39: 57
ModeArray.40: 0
ModeArray.41: 0
ModeArray.42: 0
ModeArray.43: 0
ModeArray.44: 1
ModeArray.45: 20
ModeArray.46: 0
ModeArray.47: 103
ImageInfo.0: 0
ImageInfo.1: 0
ImageInfo.2: 0
ImageInfo.3: 28
ImageInfo.4: 0
ImageInfo.5: 0
ImageInfo.6: 0
ImageInfo.7: 0
ImageInfo.8: 0
ImageInfo.9: 0
ImageInfo.10: 19785
ImageInfo.11: 14919
ImageInfo.12: 28496
ImageInfo.13: 25975
ImageInfo.14: 21362
ImageInfo.15: 28520
ImageInfo.16: 8308
ImageInfo.17: 13889
ImageInfo.18: 12341
ImageInfo.19: 18720
ImageInfo.20: 8275
ImageInfo.21: 20554
ImageInfo.22: 18245
ImageInfo.23: 0
ImageInfo.24: 0
ImageInfo.25: 0
ImageInfo.26: 26950
ImageInfo.27: 28018
ImageInfo.28: 24951
ImageInfo.29: 25970
ImageInfo.30: 22048
ImageInfo.31: 29285
ImageInfo.32: 26995
ImageInfo.33: 28271
FirmwareVersion: ›
ImageNumber: 1013686
OwnerName: ×ÿÿÿ
added on 2012-02-061 402 viewsERMS taxa Astropecten platyacanthus (Philippi, 1837)
FileName: 48166.jpg
FileDateTime: 1328541240
FileSize: 255776
FileType: 2
MimeType: image/jpeg
SectionsFound: ANY_TAG, IFD0, EXIF, MAKERNOTE
COMPUTED.html: width="640" height="480"
COMPUTED.Height: 480
COMPUTED.Width: 640
COMPUTED.IsColor: 1
COMPUTED.ByteOrderMotorola: 0
COMPUTED.CCDWidth: 7mm
COMPUTED.ApertureFNumber: f/3.2
COMPUTED.UserComment:
COMPUTED.UserCommentEncoding: UNDEFINED
Make: Canon
Model: Canon PowerShot A650 IS
DateTime: 2011:05:19 09:39:46
YCbCrPositioning: 1
Exif_IFD_Pointer: 148
ExposureTime: 1/500
FNumber: 32/10
ISOSpeedRatings: 80
ExifVersion: 0220
DateTimeOriginal: 2011:05:19 09:39:46
DateTimeDigitized: 2011:05:19 09:39:46
ComponentsConfiguration:
CompressedBitsPerPixel: 5/1
ShutterSpeedValue: 287/32
ApertureValue: 107/32
ExposureBiasValue: 0/3
MaxApertureValue: 95/32
MeteringMode: 2
Flash: 9
FocalLength: 7400/1000
MakerNote:
UserComment:
FlashPixVersion: 0100
ColorSpace: 1
ExifImageWidth: 4000
ExifImageLength: 3000
FocalPlaneXResolution: 4000000/291
FocalPlaneYResolution: 3000000/219
FocalPlaneResolutionUnit: 2
SensingMethod: 2
FileSource:
WhiteBalance: 1
DigitalZoomRatio: 4000/4000
ModeArray.0: 0
ModeArray.1: 0
ModeArray.2: 0
ModeArray.3: 0
ModeArray.4: 1
ModeArray.5: 0
ModeArray.6: 4000
ModeArray.7: 4000
ModeArray.8: 0
ModeArray.9: 0
ModeArray.10: 65535
ModeArray.11: 0
ModeArray.12: 32767
ModeArray.13: 32767
ModeArray.14: 1
ModeArray.15: 0
ModeArray.16: 65535
ModeArray.17: 120
ModeArray.18: 2
ModeArray.19: 7400
ModeArray.20: 298
ModeArray.21: 224
ModeArray.22: 0
ModeArray.23: 0
ModeArray.24: 0
ModeArray.25: 0
ModeArray.26: 68
ModeArray.27: 65523
ModeArray.28: 160
ModeArray.29: 263
ModeArray.30: 107
ModeArray.31: 287
ModeArray.32: 0
ModeArray.33: 17
ModeArray.34: 0
ModeArray.35: 0
ModeArray.36: 0
ModeArray.37: 0
ModeArray.38: 0
ModeArray.39: 57
ModeArray.40: 0
ModeArray.41: 0
ModeArray.42: 0
ModeArray.43: 0
ModeArray.44: 1
ModeArray.45: 20
ModeArray.46: 0
ModeArray.47: 103
ImageInfo.0: 0
ImageInfo.1: 0
ImageInfo.2: 0
ImageInfo.3: 28
ImageInfo.4: 0
ImageInfo.5: 0
ImageInfo.6: 0
ImageInfo.7: 0
ImageInfo.8: 0
ImageInfo.9: 0
ImageInfo.10: 19785
ImageInfo.11: 14919
ImageInfo.12: 28496
ImageInfo.13: 25975
ImageInfo.14: 21362
ImageInfo.15: 28520
ImageInfo.16: 8308
ImageInfo.17: 13889
ImageInfo.18: 12341
ImageInfo.19: 18720
ImageInfo.20: 8275
ImageInfo.21: 20554
ImageInfo.22: 18245
ImageInfo.23: 0
ImageInfo.24: 0
ImageInfo.25: 0
ImageInfo.26: 26950
ImageInfo.27: 28018
ImageInfo.28: 24951
ImageInfo.29: 25970
ImageInfo.30: 22048
ImageInfo.31: 29285
ImageInfo.32: 26995
ImageInfo.33: 28271
FirmwareVersion: ›
ImageNumber: 1013686
OwnerName: ×ÿÿÿ
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
Comment (0)