Fungi are non-autotrophic (heterotrophism) is nature.
The type of nutrition are
1. Symbionts: Some fungi like mycorrhizal and lichens live by symbiosis
2. Parasites: Parasites are those organism which depend on other organisms for their food and shelter eg: puccinia
3. Saprophytes: These are fungi which depend on dead and decaying organisms for their food.
4. Arthnobotrys is a predaceous fungi, which feeds on nematodes.