Haviside s Dolphin vs Surprise Thorius

Cephalorhynchus heavisidii compared with Thorius insperatus

Key Differences

• Haviside s Dolphin is Near Threatened while Surprise Thorius is Critically Endangered.

Taxonomic Classification

Rank	Haviside s Dolphin	Surprise 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	Cephalorhynchus	Thorius
Species	Cephalorhynchus heavisidii	Thorius insperatus

Evolutionary Relationship

Haviside s Dolphin and Surprise Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Haviside s Dolphin	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Surprise 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.