Earthworm (cluster)

Scientific Name: Lumbricina (suborder)

Order & Family: Order Opisthopora; families often include Lumbricidae

Size: Individual worms typically range from 1 to 14 inches (2.5 to 35 cm) depending on the species.

Earthworm (cluster)

Natural Habitat

Moist soils rich in organic matter, compost piles, and beneath leaf litter or logs.

Diet & Feeding

Detritivores: they consume organic matter in soil, including decaying leaves, roots, and microorganisms.

Behavior Patterns

Nocturnal and subterranean; they emerge or cluster during periods of heavy rain to avoid drowning or to migrate. They are hermaphroditic and play a key role in soil aeration.

Risks & Benefits

Extremely beneficial for ecosystems by decomposing waste and improving soil structure. They pose no risk to humans, though some species are considered invasive in certain forest environments.

Identified on: 4/15/2026