Hourglass Dolphin vs Sailray

Lagenorhynchus cruciger compared with Rajella lintea

Key Differences

• Hourglass Dolphin is Least Concern while Sailray is Near Threatened.

Taxonomic Classification

Rank	Hourglass Dolphin	Sailray
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Bộ Cá đuối)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Lagenorhynchus	Rajella
Species	Lagenorhynchus cruciger	Rajella lintea

Evolutionary Relationship

Hourglass Dolphin and Sailray share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Hourglass Dolphin

LC — Least Concern

Sailray

NT — Near Threatened

Physical Characteristics

Attribute	Hourglass Dolphin	Sailray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sailray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.