Fish live in the water, so generally they only need food.
But they get their oxygen from the water through their gills, so they will need the water to have dissolved oxygen at a proper level.
In an aquarium fish usually need to be fed. In the wild, fish find their own food.
In captivity they are fed by their owner. In the wild they hunt or graze.
if whales are in captivity the usually get fed dead fish, but when they are in the wild they can hunt for their own food where ever they are!
A dolphin eats fish, so it hunts in water. Dolphins that live in Aquariums or zoo's are fed by workers, though.
usually fed it. if they are wild then they hunt
1) The species of fish in the pond. 2)The type of food the fish are usually fed. 3)The last time the fish were fed. 4)The next time the fish would/should be fed
YES
Since all ligers are kept in zoos or private collections, they are fed by their keepers and have little need to hunt and attack their food. It'll be served to them dead.
In the wild - they hunt. In captivity they're fed by their keepers.
They will die. I did it once and my fish died.
Usually frozen fish
All adult fish should be fed in the morning and again in the evening, They should be fed as much as they can eat in 15 minutes. A good quality food suitable for their species Neons and Guppies would be OK with tropical fish flakes. All fish need to have their diets suplemented with live or fresh food occasionally.
Dogs are "domestic" wolves - and like wolves they will hunt and scavenge to get their food if not fed by man.