Giant Oceanic Manta Ray vs Polar bear

Manta birostris compared with Ursus maritimus

Key Differences

• Giant Oceanic Manta Ray is Endangered while Polar bear is Vulnerable.
• Giant Oceanic Manta Ray is omnivore while Polar bear is carnivore.
• Giant Oceanic Manta Ray is 3.1x heavier than Polar bear.
• Giant Oceanic Manta Ray lives longer (50 years vs 25 years).

Taxonomic Classification

Rank	Giant Oceanic Manta Ray	Polar bear
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Chondrichthyes (软骨鱼纲)	Mammalia (哺乳動物)
Order	Lamniformes (鼠鲨目)	Carnivora (食肉目)
Family	Rhincodontidae (Whale Sharks)	Ursidae (Bears)
Genus	Rhincodon (Whale Sharks)	Ursus (Bears)
Species	Manta birostris	Ursus maritimus

Evolutionary Relationship

Giant Oceanic Manta Ray and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Giant Oceanic Manta Ray

EN — Endangered

Trend: Decreasing ↓

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Giant Oceanic Manta Ray	Polar bear
Diet	Omnivore	Carnivore
Average Lifespan	50 years	25 years
Average Length	5.0 m	2.4 m
Average Weight	1.4 t	450.0 kg

Habitat & Geographic Range

Giant Oceanic Manta Ray

Habitat

Found across multiple habitat types including flooded grasslands and savannas, mangrove forests and coastal wetlands, and tropical and subtropical moist broadleaf forests, among 5 distinct biome types spanning the Afrotropic and Indomalayan and Neotropic realms.

Range

Distributed across Australia, Ecuador, Maldives, Mexico, and Mozambique. Currently classified as Endangered 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.

Giant Oceanic Manta Ray

鬼蝠魟（Manta birostris）是翼展最大可达7米的最大鳐鱼种类。它们是滤食性动物。

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。