dave rickard , 72 , and his wife brenda , 67 , were on holiday in caernarfon , north wales , pictured , when the drama unfolded .
mr rickard , 72 , and his wife brenda , 67 , with their beloved west highland terrier daisy .
she was swimming okay but the current was taking her away and eventually she got so weak and gave up .
daisy has now recovered from the ordeal .