page_title: Contradusta walkeri
section_title: Description
hierarchical_section_title: Contradusta walkeri / Description
caption_attribution_description: English: Contradusta walkeri - Philippines
context_page_description: Contradusta walkeri is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.
context_section_description: The shells of these common cowries reach on average 19–23 millimetres (0.75–0.91 in)of length, with a minimum size of 14 millimetres (0.55 in) and a maximum size of 39 millimetres (1.5 in). The shape is usually oval, the dorsum surface is smooth and shiny, the basic color is pale brown, with a wide dark brown trasversal band and some small irregular brown patches on the top. The margins are white, with several brown dots. The base may be white, purple or cream and the wide and sinuous aperture shows long labial teeth. The interior of the shell may be purple. In the living cowries the mantle is transparent, with short sensorial papillae.
caption: A shell of Contradusta walkeri from Philippines, dorsal view, anterior end towards the right
exif: {"Image Make": "NIKON CORPORATION", "Image Model": "NIKON D50", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Elements 7.0 Windows", "Image DateTime": "2011:06:13 14:20:00", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "224", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1028", "Thumbnail JPEGInterchangeFormatLength": "3081", "EXIF ExposureTime": "1/320", "EXIF FNumber": "16", "EXIF ExposureProgram": "Manual", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2010:06:13 14:37:01", "EXIF DateTimeDigitized": "2010:06:13 14:37:01", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "4", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "5", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash fired, auto mode, return light detected", "EXIF FocalLength": "82", "EXIF SubSecTime": "30", "EXIF SubSecTimeOriginal": "30", "EXIF SubSecTimeDigitized": "30", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "2081", "EXIF ExifImageLength": "1562", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "3008", "Interoperability RelatedImageLength": "2000", "EXIF InteroperabilityOffset": "880", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CVAPattern": "[0, 2, 0, 2, 2, 1, 1, 0]", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "1", "EXIF FocalLengthIn35mmFilm": "123", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "None", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF SubjectDistanceRange": "0", "EXIF ImageUniqueID": "4053bcdb70bf4a4cd0b8894d5e733788"}