Bigeye thresher vs Narrow swordfern

Alopias pelagicus compared with Nephrolepis cordifolia

Key Differences

Bigeye thresher is Endangered while Narrow swordfern is Not Evaluated.

Taxonomic Classification

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

Conservation Status

Bigeye thresher

EN — Endangered

Narrow swordfern

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

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.

Narrow swordfern

Habitat

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

Range

Widely distributed across Africa (South Africa, Zambia, Zimbabwe), Asia (Taiwan), Europe (Italy, Portugal, Sweden), North America (Cuba, United States), Oceania and the Pacific (New Zealand), 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.