Bigeye thresher vs Common Peony

Alopias pelagicus compared with Paeonia officinalis

Key Differences

• Bigeye thresher is Endangered while Common Peony is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Common Peony
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	Paeoniaceae
Genus	Alopias	Paeonia
Species	Alopias pelagicus	Paeonia officinalis

Conservation Status

Bigeye thresher

EN — Endangered

Common Peony

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Common Peony
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.

Common Peony

Habitat

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

Range

Found across Europe (9 countries) and North America (Canada, United States).

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.

Common Peony

<em>Paeonia officinalis</em>, the common peony, is a herbaceous perennial flowering plant in the family Paeoniaceae, widely cultivated for its large, showy flowers ranging from deep red to pink and white. In the wild, it typically grows in open woodlands, scrublands, and rocky hillsides across southern and central Europe, with native or naturalised populations documented in Austria, Belgium, the Czech Republic, France, Canada, and numerous other European and North American countries. The species prefers well-drained soils in partially shaded to open positions and produces large, deeply divided leaves alongside its ornamental blooms, which appear in late spring. <em>Paeonia officinalis</em> has a long history of medicinal and ornamental use spanning millennia, and numerous cultivated varieties have been developed. It is assessed as Least Concern on the IUCN Red List, reflecting stable populations in many parts of its native range, though wild populations can be locally threatened by over-collection, agricultural expansion, and habitat conversion. Biological traits such as average lifespan of individual plants, precise dimensions, and detailed dietary or metabolic data remain poorly documented in the scientific literature. The species plays a role in supporting pollinators, particularly beetles and bees that visit its flowers.