sanctuary has a strict no-kill policy and it aims to re-home every animal it rescues.
The thieves are targeting purebred dogs and the GSPCA
believes that these are being hastily transported to England for sale after they are taken.
appealed for anyone who may recognise the animals to contact them.
Margaret O'Sullivan of the GSPCA said: "We've had calls from dog owners who live in counties Clare, Sligo and Mayo wondering if their dog might have been handed in to us.
The GSPCA has appealed for dog owners who have th pet stolen to contact them or the Garda immediately.
has welcomed a move by Barcelona City Council to ban bullfighting in the city, as well as similar moves by other towns throughout Spain.
The fishermen contacted the Galway Society for the Prevention of Cruelty to Animals (GSPCA) and, along with the Irish Seal Sanctuary (ISS), they gave the pup life-saving treatment on the side of the road.
A GSPCA spokeswoman said: "We want to thank the fishermen.
Margaret O'Sullivan, of Galway Society for the Prevention of Cruelty to Animals (GSPCA
), urged members of the public who are aware of people who dump animals to report them to gardai.
The incident, which took place on Wednesday evening, is being investigated by gardai and the Galway Society for the Prevention of Cruelty to Animals (GSPCA
said they had yet to be given an explanation about the cause of the first slick.