Cá Nhàm đuôi dài vs Ray's Knotgrass

Alopias pelagicus compared with Polygonum oxyspermum

Taxonomic Classification

Rank	Cá Nhàm đuôi dài	Ray's Knotgrass
Kingdom	Animalia (động vật)	Plantae (thực vật)
Phylum	Chordata (động vật có dây sống)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Lớp Cá sụn)	Magnoliopsida (Dicots)
Order	Lamniformes (Bộ Cá nhám thu)	Caryophyllales (Bộ Cẩm chướng)
Family	Alopiidae	Polygonaceae
Genus	Alopias	Polygonum
Species	Alopias pelagicus	Polygonum oxyspermum

Conservation Status

Cá Nhàm đuôi dài

EN — Endangered

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Cá Nhàm đuôi dài	Ray's Knotgrass
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.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.