Aders' duiker vs Geldevaja akula

Cephalophus adersi compared with Carcharodon carcharias

Key Differences

• Aders' duiker is Critically Endangered while Geldevaja akula is Vulnerable.

Taxonomic Classification

Rank	Aders' duiker	Geldevaja akula
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Chondrichthyes (хрящевые рыбы)
Order	Artiodactyla (парнокопытные)	Lamniformes (ламнообразные)
Family	Bovidae (Bovids)	Lamnidae (Mackerel Sharks)
Genus	Cephalophus	Carcharodon (Great White Sharks)
Species	Cephalophus adersi	Carcharodon carcharias

Evolutionary Relationship

Aders' duiker and Geldevaja akula share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Aders' duiker

CR — Critically Endangered

Geldevaja akula

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Aders' duiker	Geldevaja akula
Diet	—	Carnivore
Average Lifespan	—	70 years
Average Length	—	5.0 m
Average Weight	—	1.1 t

Habitat & Geographic Range

Aders' duiker

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Kenya. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Geldevaja akula

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.

Aders' duiker

The Aders' duiker (Cephalophus adersi) is a species in the genus Cephalophus. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeo.

Geldevaja akula

The largest predatory fish on Earth, great white sharks can reach 6 meters and 2,000 kg, inhabiting cool coastal and offshore waters in all major oceans. Apex predators employing ambush attacks from below, primarily on marine mammals, large fish, and seabirds. Despite their fearsome reputation, unprovoked attacks on humans are extremely rare. Vulnerable, with populations declining from finning, bycatch, and targeted fishing despite legal protections in many jurisdictions.