Atlantic pygmy skate vs Oso Polar

Gurgesiella atlantica compared with Ursus maritimus

Key Differences

• Atlantic pygmy skate is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Atlantic pygmy skate	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Rajiformes (Rajiformes)	Carnivora (carnívoros)
Family	Rajidae	Ursidae (Bears)
Genus	Gurgesiella	Ursus (Bears)
Species	Gurgesiella atlantica	Ursus maritimus

Evolutionary Relationship

Atlantic pygmy skate and Oso Polar share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Atlantic pygmy skate

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Atlantic pygmy skate	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Atlantic pygmy skate

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela.

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.

Atlantic pygmy skate

The Atlantic pygmy skate (Gurgesiella atlantica) is a species in the genus Gurgesiella. It is currently classified as Least Concern on the IUCN Red List. Native to South America, 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.