Atlantic ghost cat shark vs Big Finner

Apristurus laurussonii compared with Balaenoptera physalus

Key Differences

• Atlantic ghost cat shark is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Atlantic ghost cat shark	Big Finner
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Carcharhiniformes (อันดับปลาฉลามครีบดำ)	Cetacea (Whales & Dolphins)
Family	Scyliorhinidae	Balaenopteridae (Rorquals)
Genus	Apristurus	Balaenoptera (Rorquals)
Species	Apristurus laurussonii	Balaenoptera physalus

Evolutionary Relationship

Atlantic ghost cat shark and Big Finner share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Atlantic ghost cat shark

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Atlantic ghost cat shark	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic ghost cat shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Portugal and Venezuela.

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Atlantic ghost cat shark

The Atlantic ghost cat shark (Apristurus laurussonii) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇵🇹 Portugal 🇻🇪 Venezuela