Alequim vs Polar bear

Carcharodon carcharias compared with Ursus maritimus

Key Differences

  • Alequim is 2.4x heavier than Polar bear.
  • Alequim lives longer (70 years vs 25 years).

Taxonomic Classification

Rank Alequim Polar bear
Kingdom same Animalia (Animals) Animalia (Animals)
Phylum same Chordata (cordados) Chordata (cordados)
Class Chondrichthyes (Cartilaginous Fish) Mammalia (mamíferos)
Order Lamniformes (Mackerel Sharks) Carnivora (carnívoros)
Family Lamnidae (Mackerel Sharks) Ursidae (Bears)
Genus Carcharodon (Great White Sharks) Ursus (Bears)
Species Carcharodon carcharias Ursus maritimus

Evolutionary Relationship

Alequim and Polar bear share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Alequim

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute Alequim Polar bear
Diet Carnivore Carnivore
Average Lifespan 70 years 25 years
Average Length 5.0 m 2.4 m
Average Weight 1.1 t 450.0 kg

Habitat & Geographic Range

Alequim

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 9 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Chile, Norway, Portugal, and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Polar bear

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.

Alequim

O tubarão-branco é o maior peixe predador da Terra, podendo atingir 6 metros de comprimento e 2.000 kg, habitando águas costeiras e oceânicas frias em todos os principais oceanos. São predadores de topo que empregam ataques de emboscada por baixo, direcionados principalmente a mamíferos marinhos, peixes de grande porte e aves marinhas. Apesar de sua terrível reputação, ataques não provocados a humanos são extremamente raros. Classificado como Vulnerável (VU), com populações em declínio devido ao corte de barbatanas, captura acidental e pesca direcionada, apesar das proteções legais vigentes em muitas jurisdições.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.

Shared Countries

Both species can be found in 1 countries:

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