Pacific white-sided dolphin vs Smith's Thorius

Lagenorhynchus obliquidens compared with Thorius smithi

Key Differences

• Pacific white-sided dolphin is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Pacific white-sided dolphin	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Delphinidae (Oceanic Dolphins)	Plethodontidae
Genus	Lagenorhynchus	Thorius
Species	Lagenorhynchus obliquidens	Thorius smithi

Evolutionary Relationship

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

Conservation Status

Pacific white-sided dolphin

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Pacific white-sided dolphin	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific white-sided dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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