Fatspine spurdog vs Northeastern Brazilian dogfish

Squalus crassispinus compared with Squalus bahiensis

Key Differences

• Fatspine spurdog is Least Concern while Northeastern Brazilian dogfish is Data Deficient.

Taxonomic Classification

Rank	Fatspine spurdog	Northeastern Brazilian dogfish
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 crassispinus	Squalus bahiensis

Evolutionary Relationship

Fatspine spurdog and Northeastern Brazilian dogfish share a common ancestor at the Genus level: Squalus.

Conservation Status

Fatspine spurdog

LC — Least Concern

Northeastern Brazilian dogfish

DD — Data Deficient

Physical Characteristics

Attribute	Fatspine spurdog	Northeastern Brazilian dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—