African lungfish vs Big Finner

Protopterus annectens compared with Balaenoptera physalus

Key Differences

• African lungfish is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	African lungfish	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Dipneusti (Dipneusti)	Mammalia (Mammals)
Order	Ceratodontiformes (Ceratodontiformes)	Cetacea (Whales & Dolphins)
Family	Protopteridae	Balaenopteridae (Rorquals)
Genus	Protopterus	Balaenoptera (Rorquals)
Species	Protopterus annectens	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

African lungfish

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	African lungfish	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

African lungfish

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.

African lungfish

The African lungfish (Protopterus annectens) is a species in the genus Protopterus. It is currently classified as Least Concern on the IUCN Red List.

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.