Chalarm hang-daab vs Variable flatsedge

Alopias pelagicus compared with Cyperus difformis

Key Differences

• Chalarm hang-daab is Endangered while Variable flatsedge is Least Concern.

Taxonomic Classification

Rank	Chalarm hang-daab	Variable flatsedge
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Liliopsida (Monocots)
Order	Lamniformes (อันดับปลาฉลามขาว)	Poales (อันดับหญ้า)
Family	Alopiidae	Cyperaceae
Genus	Alopias	Cyperus
Species	Alopias pelagicus	Cyperus difformis

Conservation Status

Chalarm hang-daab

EN — Endangered

Variable flatsedge

LC — Least Concern

Physical Characteristics

Attribute	Chalarm hang-daab	Variable flatsedge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalarm hang-daab

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.

Variable flatsedge

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 6 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (9 countries), Asia (10 countries), Europe (9 countries), North America (6 countries), Oceania and the Pacific (5 countries), and South America (6 countries).

Chalarm hang-daab

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇹🇼 Taiwan