Balloon shark vs Eurasian beaver

Cephaloscyllium sarawakensis compared with Castor fiber

Key Differences

• Balloon shark is Critically Endangered while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Balloon shark	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Scyliorhinidae	Castoridae (Beavers)
Genus	Cephaloscyllium	Castor (Beavers)
Species	Cephaloscyllium sarawakensis	Castor fiber

Evolutionary Relationship

Balloon shark and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Balloon shark

CR — Critically Endangered

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Balloon shark	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Balloon shark

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

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

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Balloon shark

The Balloon shark (Cephaloscyllium sarawakensis) is a species in the genus Cephaloscyllium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.