Ashy Sea Cucumber vs Oso Polar

Holothuria cinerascens compared with Ursus maritimus

Key Differences

• Ashy Sea Cucumber is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Ashy Sea Cucumber	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (cordados)
Class	Holothuroidea (Holothuroidea)	Mammalia (mamíferos)
Order	Holothuriida (Holothuriida)	Carnivora (carnívoros)
Family	Holothuriidae	Ursidae (Bears)
Genus	Holothuria	Ursus (Bears)
Species	Holothuria cinerascens	Ursus maritimus

Evolutionary Relationship

Ashy Sea Cucumber and Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Ashy Sea Cucumber

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Ashy Sea Cucumber	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Ashy Sea Cucumber

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.

Ashy Sea Cucumber

Ashy sea cucumber (Holothuria cinerascens) is a species in the genus Holothuria. It is listed as Least Concern on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.