Galludo cola negra vs Galludo espinilla

Squalus melanurus compared with Squalus japonicus

Key Differences

• Galludo cola negra is Data Deficient while Galludo espinilla is Endangered.

Taxonomic Classification

Rank	Galludo cola negra	Galludo espinilla
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus japonicus

Evolutionary Relationship

Galludo cola negra and Galludo espinilla share a common ancestor at the Genus level: Squalus.

Conservation Status

Galludo cola negra

DD — Data Deficient

Galludo espinilla

EN — Endangered

Physical Characteristics

Attribute	Galludo cola negra	Galludo espinilla
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Galludo cola negra

Galludo espinilla

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.

Galludo cola negra

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.