Big Water Crayfish vs Black Kauri

Cambarus robustus compared with Agathis atropurpurea

Key Differences

• Big Water Crayfish is Least Concern while Black Kauri is Near Threatened.

Taxonomic Classification

Rank	Big Water Crayfish	Black Kauri
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Hymenoptera (Ants, Bees & Wasps)
Family	Cambaridae	Braconidae
Genus	Cambarus	Agathis
Species	Cambarus robustus	Agathis atropurpurea

Evolutionary Relationship

Big Water Crayfish and Black Kauri share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Big Water Crayfish

LC — Least Concern

Black Kauri

NT — Near Threatened

Physical Characteristics

Attribute	Big Water Crayfish	Black Kauri
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.

Black Kauri

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

Black Kauri

The Black Kauri (Agathis atropurpurea) is a species in the genus Agathis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.