Perro de Presa Canario showed and described in Encyclopedia of Dog breeds by Hans Raber, Swiss that died in 1998 at age of 90. Great dog fancier, cynologist. Known for multiple publications and books about dogs. He was responsible for deep studies about genesis of dog breeds. Honored with title of doctorate of university of Been for his work. Member of breed standard committee of FCI.
Photo of Presa Canario made by Eva-Maria Kramer http://www.animal-photography.com/photogra…/eva_maria_kramer
On picture probably Sultan de Canachas Ibakken born in 1985 son of Patagon and Pregunta (I’m not entirely sure)