The hoof or foot of the beast. a cloven hoof (hoof is split example A Camel has a cloven hoof) this makes it unclean . while a hoof without a split is not unclean. Example Cows horses buffalo ect So... A horse is unclean but they still took it onto the ark. however a dog or a cow is clean.
The unclean animals.
Noah took clean and unclean animals because God told him to, and Noah had strong faith in God(Genesis 6:9 + 7:2). Noah used the 'clean' animals for the purpose of sacrifice to God(Genesis 8:20) (Leviticus 1:10)(Leviticus 1:14)(Leviticus 17:11)
According to religious teachings in the Bible, animals like pigs, camels, and shellfish are considered unclean.
Animals get bacteria due to their diet, their habits, and unclean food resources.
In Judaism, cleanliness has nothing to do with it. These animals are unkosher. They are not "unclean." Unkosher animals are animals that are not fit to use as a food animal.
Gentiles
In various religious contexts, unclean animals are those that are considered impure or unfit for consumption based on religious laws or beliefs. These animals may include pigs, shellfish, and certain birds, among others. The classification of unclean animals varies among different religions and cultures.
In the Bible, animals that are considered unclean include pigs, camels, and certain types of seafood like shellfish. These animals were prohibited from being eaten by the Israelites according to the laws of kosher dietary restrictions.
Unclean animals in the Bible are considered impure and are not to be consumed or used in religious practices by the Israelites. This concept of cleanliness and purity is important in maintaining spiritual holiness and obedience to God's laws. The prohibition of unclean animals serves as a symbol of separation and obedience to God's commandments in the religious beliefs of the Israelites.
it kills the animals and make the water unclean
Pig was one of the animals considererd unclean.
Dogs in the Bible were unclean animals. I am no dream interpreter, but maybe it means something about getting rid of unclean things in your life?