Chihuahua Gray vs Rootless Duckweed

Aphonopelma pallidum compared with Wolffia arrhiza

Key Differences

• Chihuahua Gray is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Chihuahua Gray	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Arachnida (Arachnids)	Liliopsida (Monocots)
Order	Araneae (Araneae)	Alismatales (Alismatales)
Family	Theraphosidae	Araceae
Genus	Aphonopelma	Wolffia
Species	Aphonopelma pallidum	Wolffia arrhiza

Conservation Status

Chihuahua Gray

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Chihuahua Gray	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chihuahua Gray

Habitat

Typically found in terrestrial habitats from forests to deserts.

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chihuahua Gray

The Chihuahua Gray (Aphonopelma pallidum) is a species in the genus Aphonopelma. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.