Pacific smalltail shark vs silky shark

Carcharhinus cerdale compared with Carcharhinus falciformis

Key Differences

• Pacific smalltail shark is Critically Endangered while silky shark is Vulnerable.

Taxonomic Classification

Rank	Pacific smalltail shark	silky shark
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Chondrichthyes (Lớp Cá sụn)	Chondrichthyes (Lớp Cá sụn)
Order same	Carcharhiniformes (Bộ Cá mập mắt trắng)	Carcharhiniformes (Bộ Cá mập mắt trắng)
Family same	Carcharhinidae	Carcharhinidae
Genus same	Carcharhinus	Carcharhinus
Species	Carcharhinus cerdale	Carcharhinus falciformis

Evolutionary Relationship

Pacific smalltail shark and silky shark share a common ancestor at the Genus level: Carcharhinus.

Conservation Status

Pacific smalltail shark

CR — Critically Endangered

silky shark

VU — Vulnerable

Physical Characteristics

Attribute	Pacific smalltail shark	silky shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific smalltail shark

Habitat

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

silky shark

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Algeria, Taiwan, Tunisia, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.