Hourglass Dolphin vs Maiden ray

Lagenorhynchus cruciger compared with Amblyraja radiata

Key Differences

• Hourglass Dolphin is Least Concern while Maiden ray is Endangered.

Taxonomic Classification

Rank	Hourglass Dolphin	Maiden ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Lagenorhynchus	Amblyraja
Species	Lagenorhynchus cruciger	Amblyraja radiata

Evolutionary Relationship

Hourglass Dolphin and Maiden ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hourglass Dolphin

LC — Least Concern

Maiden ray

EN — Endangered

Physical Characteristics

Attribute	Hourglass Dolphin	Maiden ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Maiden ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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