Chalarm hang-daab vs Black Nerite

Alopias pelagicus compared with Theodoxus prevostianus

Taxonomic Classification

Rank	Chalarm hang-daab	Black Nerite
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Mollusca (มอลลัสกา)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Gastropoda (ชั้นแกสโทรโพดา)
Order	Lamniformes (อันดับปลาฉลามขาว)	Cycloneritida (Cycloneritida)
Family	Alopiidae	Neritidae
Genus	Alopias	Theodoxus
Species	Alopias pelagicus	Theodoxus prevostianus

Evolutionary Relationship

Chalarm hang-daab and Black Nerite share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Chalarm hang-daab

EN — Endangered

Black Nerite

EN — Endangered

Physical Characteristics

Attribute	Chalarm hang-daab	Black Nerite
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalarm hang-daab

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

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

Black Nerite

Habitat

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

Range

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

Chalarm hang-daab

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Black Nerite

The Black Nerite (Theodoxus prevostianus) is a species in the genus Theodoxus. It is currently classified as Endangered on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.