Arrow-head tree snail vs Bishop ray

Partula sagitta compared with Aetobatus narinari

Key Differences

• Arrow-head tree snail is Extinct while Bishop ray is Near Threatened.

Taxonomic Classification

Rank	Arrow-head tree snail	Bishop ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Elasmobranchii
Order	Stylommatophora (Stylommatophora)	Myliobatiformes (Myliobatiformes)
Family	Partulidae	Myliobatidae
Genus	Partula	Aetobatus
Species	Partula sagitta	Aetobatus narinari

Evolutionary Relationship

Arrow-head tree snail and Bishop ray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Bishop ray

NT — Near Threatened

Physical Characteristics

Attribute	Arrow-head tree snail	Bishop ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrow-head tree snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Bishop ray

Habitat

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

Range

Distributed across Colombia, Taiwan, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Arrow-head tree snail

The Arrow-head tree snail, Partula sagitta, is a species. It is currently assessed as extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Bishop ray

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.