Big Water Crayfish vs Broom Flat-body

Cambarus robustus compared with Agonopterix scopariella

Key Differences

• Big Water Crayfish is Least Concern while Broom Flat-body is Near Threatened.

Taxonomic Classification

Rank	Big Water Crayfish	Broom Flat-body
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Lepidoptera (Butterflies & Moths)
Family	Cambaridae	Depressariidae
Genus	Cambarus	Agonopterix
Species	Cambarus robustus	Agonopterix scopariella

Evolutionary Relationship

Big Water Crayfish and Broom Flat-body share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Big Water Crayfish

LC — Least Concern

Broom Flat-body

NT — Near Threatened

Physical Characteristics

Attribute	Big Water Crayfish	Broom Flat-body
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Broom Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

Broom Flat-body

The Broom Flat-Body (Agonopterix scopariella) is a species in the genus Agonopterix. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.