Amur Hedgehog vs Kalb

Erinaceus amurensis compared with Carcharodon carcharias

Key Differences

• Amur Hedgehog is Least Concern while Kalb is Vulnerable.

Taxonomic Classification

Rank	Amur Hedgehog	Kalb
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Chondrichthyes (أسماك غضروفية)
Order	Erinaceomorpha (Erinaceomorpha)	Lamniformes (قروش حديثة)
Family	Erinaceidae	Lamnidae (Mackerel Sharks)
Genus	Erinaceus	Carcharodon (Great White Sharks)
Species	Erinaceus amurensis	Carcharodon carcharias

Evolutionary Relationship

Amur Hedgehog and Kalb share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Amur Hedgehog

LC — Least Concern

Kalb

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Amur Hedgehog	Kalb
Diet	—	Carnivore
Average Lifespan	—	70 years
Average Length	—	5.0 m
Average Weight	—	1.1 t

Habitat & Geographic Range

Amur Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan.

Kalb

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.

Amur Hedgehog

The Amur Hedgehog (Erinaceus amurensis) is a species in the genus Erinaceus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Kalb

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.