There are multiple artists named "Sharks":
These are photos from concerts where Sharks played, so they may be of other bands that played the concert as well.
Ink-N-Iron Festival 2013 Jun 7 - 9, 2013 Los Angeles, California, United States Uploaded by Edith
Soundwave Festival 2013 Feb 23, 2013 Bowen Hills, Queensland, Australia Uploaded by Stephen Fay
Pennywise / The Mezingers / Sharks Aug 25, 2012 Sydney, New South Wales, Australia Uploaded by Getinthepit96
Tim Minchin
Guilfest 2012 Jul 13 - 15, 2012 Guildford, England, United Kingdom Uploaded by Craig Hatfield
Buzzcocks
Jimmy Cliff