Bigeye thresher vs

Alopias pelagicus compared with Neidium bisulcata

Key Differences

• Bigeye thresher is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Chondrichthyes (Cartilaginous Fish)	Bacillariophyceae (Bacillariophyceae)
Order	Lamniformes (Mackerel Sharks)	Naviculales (Naviculales)
Family	Alopiidae	Neidiaceae
Genus	Alopias	Neidium
Species	Alopias pelagicus	Neidium bisulcata

Conservation Status

Bigeye thresher

EN — Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher
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.

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Portugal, Sweden, and Taiwan.

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.

Neidium bisulcata is a freshwater pennate diatom in the family Neidiaceae, distinguished by the presence of two longitudinal grooves (sulci) on each valve that give the genus its name. It inhabits soft, acidic to circumneutral freshwater habitats including lakes, bogs, and slow streams. Neidium species are considered indicators of clean, low-conductivity water and are sensitive to organic pollution.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan