Atlantic Gray Seal vs Cortez Hagfish

Halichoerus grypus compared with Eptatretus sinus

Key Differences

• Atlantic Gray Seal is Vulnerable while Cortez Hagfish is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Cortez Hagfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Myxini (Myxini)
Order	Pinnipedia (Seals & Sea Lions)	Myxiniformes (Myxiniformes)
Family	Phocidae (True Seals)	Myxinidae
Genus	Halichoerus	Eptatretus
Species	Halichoerus grypus	Eptatretus sinus

Evolutionary Relationship

Atlantic Gray Seal and Cortez Hagfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Cortez Hagfish

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Cortez Hagfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Cortez Hagfish

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.