Big eye thresher shark vs North American porcupine

Alopias superciliosus compared with Erethizon dorsatus

Key Differences

• Big eye thresher shark is Vulnerable while North American porcupine is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	North American porcupine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Rodentia (Rodents)
Family	Alopiidae	Erethizontidae
Genus	Alopias	Erethizon
Species	Alopias superciliosus	Erethizon dorsatus

Evolutionary Relationship

Big eye thresher shark and North American porcupine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye thresher shark

VU — Vulnerable

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

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

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.