Cigala de Fondo vs Oso Polar

Acanthacaris caeca compared with Ursus maritimus

Key Differences

• Cigala de Fondo is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Cigala de Fondo	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópodos)	Chordata (cordados)
Class	Malacostraca (Crustaceans)	Mammalia (mamíferos)
Order	Decapoda (Decapoda)	Carnivora (carnívoros)
Family	Nephropidae	Ursidae (Bears)
Genus	Acanthacaris	Ursus (Bears)
Species	Acanthacaris caeca	Ursus maritimus

Evolutionary Relationship

Cigala de Fondo and Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cigala de Fondo

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Cigala de Fondo	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Cigala de Fondo

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Oso Polar

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Cigala de Fondo

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.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.