Emperor Penguin vs Giant Oceanic Manta Ray

Aptenodytes forsteri compared with Manta birostris

Key Differences

• Emperor Penguin is Near Threatened while Giant Oceanic Manta Ray is Endangered.
• Emperor Penguin is carnivore while Giant Oceanic Manta Ray is omnivore.
• Giant Oceanic Manta Ray is 35.0x heavier than Emperor Penguin.
• Giant Oceanic Manta Ray lives longer (50 years vs 20 years).

Taxonomic Classification

Rank	Emperor Penguin	Giant Oceanic Manta Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Chondrichthyes (Cartilaginous Fish)
Order	Sphenisciformes (Penguins)	Lamniformes (Mackerel Sharks)
Family	Spheniscidae (Penguins)	Rhincodontidae (Whale Sharks)
Genus	Aptenodytes (Great Penguins)	Rhincodon (Whale Sharks)
Species	Aptenodytes forsteri	Manta birostris

Evolutionary Relationship

Emperor Penguin and Giant Oceanic Manta Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Emperor Penguin

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

Giant Oceanic Manta Ray

EN — Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	Emperor Penguin	Giant Oceanic Manta Ray
Diet	Carnivore	Omnivore
Average Lifespan	20 years	50 years
Average Length	1.1 m	5.0 m
Average Weight	40.0 kg	1.4 t

Habitat & Geographic Range

Emperor Penguin

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. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Emperor Penguin

The world's largest penguin, emperor penguins stand up to 1.2 meters and weigh 45 kg, inhabiting the Antarctic continent in some of the most extreme conditions on Earth. They breed in midwinter darkness at temperatures below -60°C, with males incubating single eggs on their feet under a brood pouch for 65 days while females are at sea. Their huddling behavior — cycling individuals through the warm center of thousands-strong groups — is a masterclass in cooperative survival.

Giant Oceanic Manta Ray

The giant manta ray is the largest ray species, with a wingspan up to 7 meters. They are filter feeders.