Brook Floater vs California red scale

Alasmidonta varicosa compared with Aonidiella aurantii

Key Differences

• Brook Floater is Vulnerable while California red scale is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	California red scale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hemiptera (Hemiptera)
Family	Unionidae	Diaspididae
Genus	Alasmidonta	Aonidiella
Species	Alasmidonta varicosa	Aonidiella aurantii

Evolutionary Relationship

Brook Floater and California red scale share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

California red scale

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	California red scale
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.

California red scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Japan, Taiwan), Europe (10 countries), and North America (Dominica, United States).

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.

California red scale

The California red scale (Aonidiella aurantii) is a species in the genus Aonidiella. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States