Algae, several tints of green

Exposure Date: 2015:05:14 12:27:10;
ImageDescription: OLYMPUS DIGITAL CAMERA ;
Make: OLYMPUS IMAGING CORP. ;
Model: XZ-1 ;
ExposureTime: 1/640 s;
FNumber: f/4;
ISOSpeedRatings: 100;
ExposureProgram: Normal program;
ExposureBiasValue: 0/10;
MeteringMode: Pattern;
Flash: Flash did not fire, auto mode;
FocalLength: 24 mm;
FocalLengthIn35mmFilm: 112 mm;
Software: OLYMPUS Viewer 2 1.43W;
ExifGpsLatitude: 48 49 48 48;
ExifGpsLatitudeRef: R98;