🪐 View in 3D Galaxy 📏 View on 3D Scale Stage

🧬 Biological Classification (Kingdom to Species)Eisenia fetida

Kingdom

Animalia

Phylum

Annelida

Class

Clitellata

Order

Crassiclitellata

Family

Lumbricidae

Genus

Eisenia

Species

Eisenia fetida

Clitellata🍂 Omnivore

Red wiggler

Eisenia fetida (Red wiggler · シマミミズ)

🛡️ Conservation Status (IUCN Red List)NE (Not Evaluated)

Not Evaluated (NE) on the IUCN Red List yet.

Geological Era

Extant

Diet

Omnivore

Length · Height

6~12cm · No data

Mass · Top Speed

0.3~0.6g · No data

Habitat & Fossil Locality

Surface soil layer where fallen leaves and decaying organic matter accumulate (compost and leaf mold)

💡 Everyday Comparisons for Size, Mass & Speed

💡 It is an earthworm used in the international standard test (OECD Test Guideline 222) for measuring the effects of pesticides or chemicals on soil organisms (OECD).
💡 Because it feeds on fallen leaves and decaying organic matter in the surface soil layer, it is a species that can be seen beneath piles of fallen leaves in flowerbeds (classified as 'epigeic' in PMC papers).
💡 Its maximum length of 12 cm is slightly shorter than a ballpoint pen (about 14 cm), and its weight of 0.6 g is similar to a 1-won coin (about 0.73 g).

Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.

📊 Mass & Speed Index (0–100)

⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)1

Site-computed relative index from recorded values; not a formal scientific metric.

#줄지렁이#Eisenia fetida

📖 1. Overview

The red wiggler is an earthworm with alternating brown and pale bands that lives in the surface leaf-litter layer of soil.

🦴 2. Anatomy & Morphology

The body is an elongated cylinder made up of identical segments and measures 6–12 cm in length. Fully grown individuals have a thickened band (clitellum) near the front of the body.

🔍 3. Ecology & Behavior

It feeds on and decomposes organic matter and is preyed upon by many animals, playing an important role in both terrestrial and aquatic ecosystems. It grows rapidly, reaching adulthood in 28–30 days.