Brook Floater vs Melissa Arctic

Alasmidonta varicosa compared with Oeneis melissa

Key Differences

• Brook Floater is Vulnerable while Melissa Arctic is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Melissa Arctic
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Mollusca (มอลลัสกา)	Arthropoda (สัตว์ขาปล้อง)
Class	Bivalvia (ชั้นไบวาลเวีย)	Insecta (แมลง)
Order	Unionida (Unionida)	Lepidoptera (ผีเสื้อ)
Family	Unionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Alasmidonta	Oeneis
Species	Alasmidonta varicosa	Oeneis melissa

Evolutionary Relationship

Brook Floater and Melissa Arctic share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Brook Floater

VU — Vulnerable

Melissa Arctic

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Melissa Arctic
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Melissa Arctic

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Russia.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.