Bigeye thresher vs Castor bean tick

Alopias pelagicus compared with Ixodes ricinus

Key Differences

• Bigeye thresher is Endangered while Castor bean tick is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Castor bean tick
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Arachnida (Arachnids)
Order	Lamniformes (Mackerel Sharks)	Ixodida (Ixodida)
Family	Alopiidae	Ixodidae
Genus	Alopias	Ixodes
Species	Alopias pelagicus	Ixodes ricinus

Evolutionary Relationship

Bigeye thresher and Castor bean tick share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Castor bean tick

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Castor bean tick
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.

Castor bean tick

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Asia (Taiwan) and Europe (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.

Castor bean tick

The Castor bean tick (Ixodes ricinus) is a species in the genus Ixodes. Typically found in terrestrial habitats from forests to deserts.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan