Guyanese arrowhead vs Japanese Weasel

Sagittaria guayanensis compared with Mustela itatsi

Key Differences

• Guyanese arrowhead is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Guyanese arrowhead	Japanese Weasel
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Alismatales (Alismatales)	Carnivora (Carnivorans)
Family	Alismataceae	Mustelidae (Weasels & Otters)
Genus	Sagittaria	Mustela
Species	Sagittaria guayanensis	Mustela itatsi

Conservation Status

Guyanese arrowhead

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Guyanese arrowhead	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guyanese arrowhead

Habitat

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

Range

Distributed across Brazil, Colombia, Comoros, Madagascar, and United States.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.