Dog
they can travel 20 to 30 days
there will be 12 days of food
100 days without food or water
No, it will not. It will be hungry, but not that hungry. That being said, no dog should be left for days without food and water. In most places that would violate animal abuse laws, and in any case it is inhumane.
fish will live 3 days without food.
100 days without food or water
A Camel
25 days
About 3 days
Depends on the animal. Most reptile and amphibians can go several weeks without eating, however, most Mammals need to eat everyday is possible. It is not healthy for them to go too long without nourishment. Use your best judgement.
45 days
Fasting without food for more than 3 days can be harmful to your health.