Bigeye thresher vs chestnut-leaf oak

Alopias pelagicus compared with Quercus castaneifolia

Key Differences

• Bigeye thresher is Endangered while chestnut-leaf oak is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	chestnut-leaf oak
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Lamniformes (Mackerel Sharks)	Fagales (Beeches & Oaks)
Family	Alopiidae	Fagaceae (Beech Family)
Genus	Alopias	Quercus (Oaks)
Species	Alopias pelagicus	Quercus castaneifolia

Conservation Status

Bigeye thresher

EN — Endangered

chestnut-leaf oak

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	chestnut-leaf oak
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.

chestnut-leaf oak

Habitat

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

Range

Found in Brazil. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

chestnut-leaf oak

The chestnut-leaf oak (Quercus castaneifolia) is a species in the genus Quercus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.