* Wild fish in their natural environments definitely hunt for food. They are predators, herbivores, or omnivores, and their survival depends on finding their own meals.
* Domesticated fish, like those kept in aquariums or fish farms, do need to be fed. They haven't had the opportunity to develop hunting instincts, and their environment often doesn't provide enough natural food sources.
Here's a breakdown:
Fish that hunt:
* Predators: These fish actively chase and capture other fish, insects, or even small mammals. Examples include sharks, barracuda, and bass.
* Herbivores: These fish eat plants, algae, and other vegetation. Examples include koi, grass carp, and some species of catfish.
* Omnivores: These fish eat a mixture of plants and animals. Examples include goldfish, guppies, and some types of cichlids.
Fish that need to be fed:
* Aquarium fish: They rely on their owners to provide them with appropriate food.
* Fish raised in fish farms: These fish are typically fed commercially produced food pellets.
Important note: Even if you have domesticated fish, it's good to offer them some variety in their diet. This can include occasional live or frozen food to simulate their natural hunting instincts.