Amazon River Dolphin vs Broadfin shark

Inia geoffrensis compared with Negaprion acutidens

Key Differences

• Amazon River Dolphin is Data Deficient while Broadfin shark is Endangered.

Taxonomic Classification

Rank	Amazon River Dolphin	Broadfin shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Iniidae	Carcharhinidae
Genus	Inia	Negaprion
Species	Inia geoffrensis	Negaprion acutidens

Evolutionary Relationship

Amazon River Dolphin and Broadfin shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Broadfin shark

EN — Endangered

Physical Characteristics

Attribute	Amazon River Dolphin	Broadfin shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Broadfin shark

Habitat

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

Range

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

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

Broadfin shark

The Broadfin shark (Negaprion acutidens) is a species in the genus Negaprion. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.