Bigeye thresher vs Old-man-in-the-spring

Alopias pelagicus compared with Senecio vulgaris

Key Differences

• Bigeye thresher is Endangered while Old-man-in-the-spring is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Old-man-in-the-spring
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Lamniformes (Mackerel Sharks)	Asterales (Daisies & Sunflowers)
Family	Alopiidae	Asteraceae (Daisy Family)
Genus	Alopias	Senecio
Species	Alopias pelagicus	Senecio vulgaris

Conservation Status

Bigeye thresher

EN — Endangered

Old-man-in-the-spring

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Old-man-in-the-spring
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.

Old-man-in-the-spring

Habitat

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

Range

Widely distributed across Africa (Mozambique, South Africa, Zimbabwe), Asia (8 countries), Europe (15 countries), North America (5 countries), Oceania and the Pacific (Australia), and South America (7 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