Asian swordfern vs Bigeye thresher

Nephrolepis brownii compared with Alopias pelagicus

Key Differences

• Asian swordfern is Not Evaluated while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Asian swordfern	Bigeye thresher
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Chondrichthyes (Cartilaginous Fish)
Order	Polypodiales (Polypodiales)	Lamniformes (Mackerel Sharks)
Family	Nephrolepidaceae	Alopiidae
Genus	Nephrolepis	Alopias
Species	Nephrolepis brownii	Alopias pelagicus

Conservation Status

Asian swordfern

NE — Not Evaluated

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Asian swordfern	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian swordfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Singapore, Taiwan), North America (4 countries), and South America (Brazil, Colombia).

Bigeye thresher

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.

Asian swordfern

The Asian swordfern (Nephrolepis brownii) is a species in the genus Nephrolepis. Typically found in moist, shaded forest floors and tropical canopies. Widely distributed across Asia (Singapore, Taiwan), North America (4 countries), and South America (Brazil, Colombia).

Bigeye thresher

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