Blackhead worm vs Brown eagle-ray

Aporrectodea longa compared with Aetomylaeus milvus

Key Differences

• Blackhead worm is Not Evaluated while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Blackhead worm	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Segmented Worms)	Chordata (Chordates)
Class	Clitellata (Clitellata)	Elasmobranchii
Order	Crassiclitellata (Crassiclitellata)	Myliobatiformes (Myliobatiformes)
Family	Lumbricidae	Myliobatidae
Genus	Aporrectodea	Aetomylaeus
Species	Aporrectodea longa	Aetomylaeus milvus

Evolutionary Relationship

Blackhead worm and Brown eagle-ray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackhead worm

NE — Not Evaluated

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Blackhead worm	Brown eagle-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackhead worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Blackhead worm

The Blackhead worm (Aporrectodea longa) is a species in the genus Aporrectodea. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.