Pacific white-sided dolphin vs Scoophead

Lagenorhynchus obliquidens compared with Sphyrna media

Key Differences

• Pacific white-sided dolphin is Least Concern while Scoophead is Critically Endangered.

Taxonomic Classification

Rank	Pacific white-sided dolphin	Scoophead
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	Delphinidae (Oceanic Dolphins)	Sphyrnidae (Hammerhead Sharks)
Genus	Lagenorhynchus	Sphyrna (Hammerhead Sharks)
Species	Lagenorhynchus obliquidens	Sphyrna media

Evolutionary Relationship

Pacific white-sided dolphin and Scoophead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific white-sided dolphin

LC — Least Concern

Scoophead

CR — Critically Endangered

Physical Characteristics

Attribute	Pacific white-sided dolphin	Scoophead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific white-sided dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Scoophead

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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