American Black-Fish vs Rootless Duckweed

Globicephala melas compared with Wolffia arrhiza

Key Differences

• American Black-Fish is Not Evaluated while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	American Black-Fish	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Cetacea (Whales & Dolphins)	Alismatales (Alismatales)
Family	Delphinidae (Oceanic Dolphins)	Araceae
Genus	Globicephala	Wolffia
Species	Globicephala melas	Wolffia arrhiza

Conservation Status

American Black-Fish

NE — Not Evaluated

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	American Black-Fish	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Black-Fish

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Venezuela.

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.

American Black-Fish

The American Black-Fish (Globicephala melas) is a species in the genus Globicephala. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden