Bigelow's ray vs S̄eụ̄x krong

Rajella bigelowi compared with Panthera tigris

Key Differences

• Bigelow's ray is Least Concern while S̄eụ̄x krong is Endangered.

Taxonomic Classification

Rank	Bigelow's ray	S̄eụ̄x krong
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rajiformes (อันดับปลาโรนัน)	Carnivora (สัตว์กินเนื้อ)
Family	Rajidae	Felidae (Cats)
Genus	Rajella	Panthera (Big Cats)
Species	Rajella bigelowi	Panthera tigris

Evolutionary Relationship

Bigelow's ray and S̄eụ̄x krong share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Bigelow's ray

LC — Least Concern

S̄eụ̄x krong

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Bigelow's ray	S̄eụ̄x krong
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Bigelow's ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Portugal.

S̄eụ̄x krong

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bigelow's ray

The Bigelow's ray (Rajella bigelowi) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

S̄eụ̄x krong

The largest wild cat on Earth, tigers can exceed 300 kg and inhabit forests from the Russian Far East to Southeast Asia. Solitary ambush predators with distinctive orange and black striped coats that provide camouflage in dappled light. Critically endangered, with fewer than 4,000 remaining in the wild due to poaching and deforestation.