Bigeye thresher vs Madagascar widow's-thrill

Alopias pelagicus compared with Kalanchoe blossfeldiana

Key Differences

• Bigeye thresher is Endangered while Madagascar widow's-thrill is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Madagascar widow's-thrill
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Lamniformes (Mackerel Sharks)	Saxifragales (Saxifragales)
Family	Alopiidae	Crassulaceae
Genus	Alopias	Kalanchoe
Species	Alopias pelagicus	Kalanchoe blossfeldiana

Conservation Status

Bigeye thresher

EN — Endangered

Madagascar widow's-thrill

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Madagascar widow's-thrill
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.

Madagascar widow's-thrill

Habitat

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

Range

Widely distributed across Africa (Seychelles, South Africa), Asia (India, Taiwan, Turkey), Europe (Belgium, Sweden), North America (Dominican Republic, United States), and South America (4 countries).

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