Atlantic Deep-sea Lobster vs Chopard's Mountain Bush-cricket

Acanthacaris caeca compared with Antaxius chopardi

Taxonomic Classification

Rank	Atlantic Deep-sea Lobster	Chopard's Mountain Bush-cricket
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Arthropoda (節足動物)	Arthropoda (節足動物)
Class	Malacostraca (軟甲綱)	Insecta (昆虫)
Order	Decapoda (十脚目)	Orthoptera (バッタ目)
Family	Nephropidae	Tettigoniidae
Genus	Acanthacaris	Antaxius
Species	Acanthacaris caeca	Antaxius chopardi

Evolutionary Relationship

Atlantic Deep-sea Lobster and Chopard's Mountain Bush-cricket share a common ancestor at the Phylum level: Arthropoda. (節足動物)

Conservation Status

Atlantic Deep-sea Lobster

LC — Least Concern

Chopard's Mountain Bush-cricket

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Deep-sea Lobster	Chopard's Mountain Bush-cricket
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Deep-sea Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Chopard's Mountain Bush-cricket

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

Chopard's Mountain Bush-cricket

Chopard's Mountain Bush-Cricket (Antaxius chopardi) is a bush-cricket (katydid) in the family Tettigoniidae, endemic to mountain ranges in the western Mediterranean region, likely including the Pyrenees and associated mountain systems of southern France and northern Spain. Bush-crickets of the genus Antaxius are large, robust tettigoniids characterised by females bearing a pronounced ovipositor for egg insertion into soil or plant tissue, and males producing species-specific stridulatory songs by rubbing modified wing structures. Despite the name mountain bush-cricket, members of this genus inhabit a range of grass-shrub-dominated montane habitats including rocky slopes, mountain meadows, and scrubland edges. They are primarily herbivorous, feeding on grasses, herbs, and low shrubs, though they may supplement their diet with small invertebrates. Stridulation songs are important for species identification in this cryptically coloured group, as multiple Antaxius species may co-occur in the same mountain range. The IUCN classifies this species as Least Concern, with populations found across suitable montane habitats within its range. The species is named after Lucien Chopard, recognising his extensive contributions to the study of European orthopteran (crickets and grasshoppers) biodiversity. Climate change-driven shifts in vegetation zones may pose future threats to montane endemic invertebrates.