Blackhead worm vs Komodo Dragon

Aporrectodea longa compared with Varanus komodoensis

Key Differences

Blackhead worm is Not Evaluated while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	Blackhead worm	Komodo Dragon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Segmented Worms)	Chordata (Chordates)
Class	Clitellata (Clitellata)	Reptilia (Reptiles)
Order	Crassiclitellata (Crassiclitellata)	Squamata (Lizards & Snakes)
Family	Lumbricidae	Varanidae (Monitor Lizards)
Genus	Aporrectodea	Varanus (Monitor Lizards)
Species	Aporrectodea longa	Varanus komodoensis

Evolutionary Relationship

Blackhead worm and Komodo Dragon share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Blackhead worm

NE — Not Evaluated

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	Blackhead worm	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

Habitat & Geographic Range

Blackhead worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blackhead worm

The Blackhead worm (Aporrectodea longa) is a species in the genus Aporrectodea. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Belgium, Denmark, Norway, Sweden, and United States.