Pope Francis once said: “One day, we will see our animals again in the eternity of Christ. Paradise is open to all of God’s creatures.”
Well not.
It was Pope Paul VI that talking to a child who had been crying over the death of his dog said: “One day we will see our animals in the eternity of Christ”. And later on: “Animals are the smallest part of the Divine Creation, but one day we will see them again in the Mystery of Christ”.
Pope Francis, on the other hand, seemingly quoted the apostle Paul who thought Creation itself will be freed from the bondage of corruption, to enter into the glorious kingdom of God.
But even if modernity is bound to be “modern” still Catholic theology states that animals are soulless, can’t go to heaven. Different Popes recently have had different ideas. Pope John Paul II said animals have souls, but his successor, Pope Benedict XVI seemed to think the opposite.

The only thing sure, anyway, is that all Pope altogether prove the thesis of the new book of Dr. Bart Herman, “Heaven and Hell”, that ideas like heaven and hell evolved through human needs and desires changing over time.

Cave Canem is used, commonly, in Italy as a warning sign at the entrance of the houses to say “beware of the dog”. The writing derives from a famous mosaic found in the archaeological excavations of Pompeii.

The meaning is: if you go further than it’s upon you, it might be really dangerous.

In Mark 7:24–30 this story goes off: a Syro-Phoenician woman comes to Jesus. Jesus calls her a dog and rejects her request to heal her daughter until she gives a wit answer to Him that makes her day.
While dogs were used for bloodsports in ancient Rome and all sorts of blood “entertainment” like bull-fighting, gladiator battles, and dog battles, Jews used to call Gentiles “dogs” as a derogatory term.
Maybe they draw their belief from Exod 22:31 where dogs are seen as unclean animals since any kind of meat could be thrown at them.
Or Sam 9:8 “What is your servant, that you should look upon a dead dog such as I?”.

Dogs are generally considered worthless in the Near East since even Islam sees them as ritually impure. The majority of Muslims see dogs as filthy, wicked, sometimes even evil.

The moral conclusion is that believing in the inherency of the Bible can bring harm to your little four-legged cute friends: Cave Canem!