Komodo Dragon vs Sumatra Caecilian

Varanus komodoensis compared with Ichthyophis sumatranus

Key Differences

• Komodo Dragon is Endangered while Sumatra Caecilian is Data Deficient.

Taxonomic Classification

Rank	Komodo Dragon	Sumatra Caecilian
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Amphibia (amphibien)
Order	Squamata (Lizards & Snakes)	Gymnophiona (Caecilian)
Family	Varanidae (Monitor Lizards)	Ichthyophiidae
Genus	Varanus (Monitor Lizards)	Ichthyophis
Species	Varanus komodoensis	Ichthyophis sumatranus

Evolutionary Relationship

Komodo Dragon and Sumatra Caecilian share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Sumatra Caecilian

DD — Data Deficient

Physical Characteristics

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

Habitat & Geographic Range

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.

Sumatra Caecilian

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Komodo Dragon

The Komodo dragon is the largest living lizard. It is found only on a few Indonesian islands.