Northern Naiad vs Wright's waternymph

Najas gracillima compared with Najas wrightiana

Key Differences

• Northern Naiad is Least Concern while Wright's waternymph is Endangered.

Taxonomic Classification

Rank	Northern Naiad	Wright's waternymph
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Liliopsida (単子葉植物綱)	Liliopsida (単子葉植物綱)
Order same	Alismatales (オモダカ目)	Alismatales (オモダカ目)
Family same	Hydrocharitaceae	Hydrocharitaceae
Genus same	Najas	Najas
Species	Najas gracillima	Najas wrightiana

Evolutionary Relationship

Northern Naiad and Wright's waternymph share a common ancestor at the Genus level: Najas.

Conservation Status

Northern Naiad

LC — Least Concern

Wright's waternymph

EN — Endangered

Physical Characteristics

Attribute	Northern Naiad	Wright's waternymph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Naiad

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (Canada, United States).

Wright's waternymph

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Cuba and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States