The grey worm is the most common earthworm in New Zealand. It is grey with a dark pink head. It ingests (eats) large amounts of soil and the organic matter in it. Grey worms live in the top 20–30 cm of soil. They are common in pastures throughout the country.
Scientific name: Aporrectodea caliginosa
Soil niche: endogeic
Length: 40–100 mm
Image: Ross Gray