Hector’s Beaked Whale vs Round Ray

Mesoplodon hectori compared with Rajella fyllae

Key Differences

• Hector’s Beaked Whale is Data Deficient while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Hector’s Beaked Whale	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Hyperoodontidae	Rajidae
Genus	Mesoplodon	Rajella
Species	Mesoplodon hectori	Rajella fyllae

Evolutionary Relationship

Hector’s Beaked Whale and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hector’s Beaked Whale

DD — Data Deficient

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Hector’s Beaked Whale	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.