The fish can live as long as about 2 years but if yo eat alive fish the fish will live for about 2 months.
Our fish had about 30 babies. The mama didn't eat them but we separated the ones that were still alive from her, about 20, right now only 2 are still alive. :(
Do you mean "does not eat"? It depends on the species. Some fish, like the lungfish, may not eat for months, but can easily survive.
they eat both
Seals eat fish.
The smaller fish eat moss and algae off the rocks to survive, while the bigger fish eat the smaller fish to survive.
eat algae
ALL animals must eat to remain alive. If a bat (or any other animal) does not eat, it will die of starvation.
Blob fish survive by laying on the bottom of the ocean floor and eat anything that floats by!
The tuna is a carnivore. It must eat to survive, and it eats other fish because it cannot eat plants.
the need fish to survive
Many fish are carnivores, which means they eat other animals. They attempt to survive, and to live, they must eat. Many larger fish eat smaller fish as a part of their diet.
Goldfish