Broadnose cat shark vs Речная крачка

Apristurus investigatoris compared with Sterna hirundo

Key Differences

• Broadnose cat shark is Least Concern while Речная крачка is Endangered.

Taxonomic Classification

Rank	Broadnose cat shark	Речная крачка
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Chondrichthyes (хрящевые рыбы)	Aves (птицы)
Order	Carcharhiniformes (кархаринообразные)	Charadriiformes (ржанкообразные)
Family	Scyliorhinidae	Laridae
Genus	Apristurus	Sterna
Species	Apristurus investigatoris	Sterna hirundo

Evolutionary Relationship

Broadnose cat shark and Речная крачка share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Broadnose cat shark

LC — Least Concern

Речная крачка

EN — Endangered

Physical Characteristics

Attribute	Broadnose cat shark	Речная крачка
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadnose cat shark

Habitat

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

Речная крачка

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Broadnose cat shark

The Broadnose Cat Shark (Apristurus investigatoris) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Речная крачка

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.