Bigeye thresher vs Carelessweed

Alopias pelagicus compared with Amaranthus spinosus

Key Differences

• Bigeye thresher is Endangered while Carelessweed is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Carelessweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Lamniformes (Mackerel Sharks)	Caryophyllales (Caryophyllales)
Family	Alopiidae	Amaranthaceae
Genus	Alopias	Amaranthus
Species	Alopias pelagicus	Amaranthus spinosus

Conservation Status

Bigeye thresher

EN — Endangered

Carelessweed

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Carelessweed
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.

Carelessweed

Habitat

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

Range

Widely distributed across Africa (20 countries), Asia (22 countries), Europe (23 countries), North America (6 countries), Oceania and the Pacific (11 countries), 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.

Carelessweed

The Carelessweed (Amaranthus spinosus) is a species in the genus Amaranthus. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇹🇼 Taiwan