Arrowspine dogfish vs Big Finner

Centrophorus moluccensis compared with Balaenoptera physalus

Key Differences

Arrowspine dogfish is Vulnerable while Big Finner is Endangered.

Taxonomic Classification

Rank	Arrowspine dogfish	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Cetacea (Whales & Dolphins)
Family	Centrophoridae	Balaenopteridae (Rorquals)
Genus	Centrophorus	Balaenoptera (Rorquals)
Species	Centrophorus moluccensis	Balaenoptera physalus

Evolutionary Relationship

Arrowspine dogfish and Big Finner share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Arrowspine dogfish

VU — Vulnerable

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Arrowspine dogfish	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowspine dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

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.

Arrowspine dogfish

The Arrowspine dogfish, Centrophorus moluccensis, is a species. It is currently assessed as vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.