Atlantic Gray Seal vs Brook Snaketail

Halichoerus grypus compared with Ophiogomphus aspersus

Key Differences

• Atlantic Gray Seal is Vulnerable while Brook Snaketail is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Brook Snaketail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Odonata (Odonata)
Family	Phocidae (True Seals)	Gomphidae
Genus	Halichoerus	Ophiogomphus
Species	Halichoerus grypus	Ophiogomphus aspersus

Evolutionary Relationship

Atlantic Gray Seal and Brook Snaketail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Brook Snaketail

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Brook Snaketail
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.

Brook Snaketail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.

Brook Snaketail

The Brook Snaketail (Ophiogomphus aspersus) is a species in the genus Ophiogomphus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.