Japanese spurdog vs Chalarm Maew

Squalus japonicus compared with Squalus megalops

Key Differences

• Japanese spurdog is Endangered while Chalarm Maew is Least Concern.

Taxonomic Classification

Rank	Japanese spurdog	Chalarm Maew
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (อันดับปลาฉลามหลังหนาม)	Squaliformes (อันดับปลาฉลามหลังหนาม)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus japonicus	Squalus megalops

Evolutionary Relationship

Japanese spurdog and Chalarm Maew share a common ancestor at the Genus level: Squalus.

Conservation Status

Japanese spurdog

EN — Endangered

Chalarm Maew

LC — Least Concern

Physical Characteristics

Attribute	Japanese spurdog	Chalarm Maew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Chalarm Maew