Atlantic Deep-sea Lobster vs Common Groundhopper

Acanthacaris caeca compared with Tetrix undulata

Taxonomic Classification

Rank	Atlantic Deep-sea Lobster	Common Groundhopper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Orthoptera (Orthoptera)
Family	Nephropidae	Tetrigidae
Genus	Acanthacaris	Tetrix
Species	Acanthacaris caeca	Tetrix undulata

Evolutionary Relationship

Atlantic Deep-sea Lobster and Common Groundhopper share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Atlantic Deep-sea Lobster

LC — Least Concern

Common Groundhopper

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Deep-sea Lobster	Common Groundhopper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Deep-sea Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Common Groundhopper

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Atlantic Deep-sea Lobster

The Atlantic Deep-sea Lobster (Acanthacaris caeca) is a species in the genus Acanthacaris. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

Common Groundhopper

The common groundhopper, <em>Tetrix undulata</em>, is a small insect belonging to the order Orthoptera, family Tetrigidae. This species has an exceptionally broad ecological tolerance and is typically found across virtually all terrestrial and freshwater habitat types within its range. Its distribution spans Belgium, Denmark, Luxembourg, Norway, and Sweden, reflecting a wide presence across northern and western Europe. Unlike most grasshoppers, groundhoppers typically lack fully developed hind wings in some individuals and are often found on bare ground, mossy substrates, and near water margins. <em>Tetrix undulata</em> is assessed as Least Concern on the IUCN Red List, indicating stable populations across its European range. No dietary information has been provided for this species. Biological traits of this species remain poorly documented in the scientific literature.