Brown catshark vs S̄eụ̄x krong

Bythaelurus lutarius compared with Panthera tigris

Key Differences

• Brown catshark is Data Deficient while S̄eụ̄x krong is Endangered.

Taxonomic Classification

Rank	Brown catshark	S̄eụ̄x krong
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Carcharhiniformes (อันดับปลาฉลามครีบดำ)	Carnivora (สัตว์กินเนื้อ)
Family	Scyliorhinidae	Felidae (Cats)
Genus	Bythaelurus	Panthera (Big Cats)
Species	Bythaelurus lutarius	Panthera tigris

Evolutionary Relationship

Brown catshark and S̄eụ̄x krong share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Brown catshark

DD — Data Deficient

S̄eụ̄x krong

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Brown catshark	S̄eụ̄x krong
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Brown catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.

Brown catshark

The Brown Catshark (Bythaelurus lutarius) is a species in the genus Bythaelurus. It is currently classified as Data Deficient on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

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.