Slugs coexist with various animals in moist environments:
- Worms: Common in moist soil, usually coexisting peacefully.
- Insects: Beetles, spiders, ants, and flies may share habitats; some prey on slugs.
- Birds: Songbirds and thrushes may hunt and eat slugs.
- Amphibians: Frogs, toads, salamanders, and newts may occupy similar habitats and eat slugs.
- Reptiles: Some lizards and snakes may include slugs in their diet.
- Mammals: Shrews, mice, and voles may feed on slugs depending on availability.
- Other Mollusks: Snails share habitats and may compete with slugs for resources.