Chalarm hang-daab vs tiny risso snail

Alopias pelagicus compared with Rissoa parva

Key Differences

• Chalarm hang-daab is Endangered while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	Chalarm hang-daab	tiny risso snail
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Mollusca (มอลลัสกา)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Gastropoda (ชั้นแกสโทรโพดา)
Order	Lamniformes (อันดับปลาฉลามขาว)	Littorinimorpha (Littorinimorpha)
Family	Alopiidae	Rissoidae
Genus	Alopias	Rissoa
Species	Alopias pelagicus	Rissoa parva

Evolutionary Relationship

Chalarm hang-daab and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Chalarm hang-daab

EN — Endangered

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Chalarm hang-daab	tiny risso snail
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.

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.