Chapala Lamprey vs Bely Medved

Tetrapleurodon spadiceus compared with Ursus maritimus

Key Differences

Chapala Lamprey is Critically Endangered while Bely Medved is Vulnerable.

Taxonomic Classification

Rank	Chapala Lamprey	Bely Medved
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Petromyzonti (Petromyzonti)	Mammalia (млекопитающие)
Order	Petromyzontiformes (миногообразные)	Carnivora (хищные)
Family	Petromyzontidae	Ursidae (Bears)
Genus	Tetrapleurodon	Ursus (Bears)
Species	Tetrapleurodon spadiceus	Ursus maritimus

Evolutionary Relationship

Chapala Lamprey and Bely Medved share a common ancestor at the Phylum level: Chordata. (хордовые)

Просмотреть Phylum: Chordata

Conservation Status

Chapala Lamprey

CR — Critically Endangered

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chapala Lamprey	Bely Medved
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Chapala Lamprey

Bely Medved

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.

Chapala Lamprey

The Chapala Lamprey (Tetrapleurodon spadiceus) is a species in the genus Tetrapleurodon. It is currently classified as Critically Endangered on the IUCN Red List.

Bely Medved

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.