Butterfly ray vs Hourglass Dolphin

Gymnura altavela compared with Lagenorhynchus cruciger

Key Differences

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

Taxonomic Classification

Rank	Butterfly ray	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Gymnuridae	Delphinidae (Oceanic Dolphins)
Genus	Gymnura	Lagenorhynchus
Species	Gymnura altavela	Lagenorhynchus cruciger

Evolutionary Relationship

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

Conservation Status

Butterfly ray

EN — Endangered

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Butterfly ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

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

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Butterfly ray

The Butterfly ray (Gymnura altavela) is a species in the genus Gymnura. It is currently classified as Endangered on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.