Earthworm (Nightcrawler)

Moist, organic-rich soil, leaf litter, and gardens

Decaying organic matter, dead leaves, plant detritus, and soil microorganisms

Burrows deep into the soil during the day and emerges at night or after heavy rains to feed and mate; hermaphroditic reproduction

Highly beneficial for ecosystems and gardens by aerating soil and recycling nutrients; completely harmless to humans and pets