Cá Nhàm đuôi dài vs roker

Alopias pelagicus compared with Raja clavata

Key Differences

• Cá Nhàm đuôi dài is Endangered while roker is Near Threatened.

Taxonomic Classification

Rank	Cá Nhàm đuôi dài	roker
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Chondrichthyes (Lớp Cá sụn)	Elasmobranchii
Order	Lamniformes (Bộ Cá nhám thu)	Rajiformes (Bộ Cá đuối)
Family	Alopiidae	Rajidae
Genus	Alopias	Raja
Species	Alopias pelagicus	Raja clavata

Evolutionary Relationship

Cá Nhàm đuôi dài and roker share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Cá Nhàm đuôi dài

EN — Endangered

roker

NT — Near Threatened

Physical Characteristics

Attribute	Cá Nhàm đuôi dài	roker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cá Nhàm đuôi dài

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.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Cá Nhàm đuôi dài

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.