Broadnose cat shark vs Ruff

Apristurus investigatoris compared with Calidris pugnax

Taxonomic Classification

Rank	Broadnose cat shark	Ruff
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Chondrichthyes (軟骨魚綱)	Aves (鳥類)
Order	Carcharhiniformes (メジロザメ目)	Charadriiformes (チドリ目)
Family	Scyliorhinidae	Scolopacidae
Genus	Apristurus	Calidris
Species	Apristurus investigatoris	Calidris pugnax

Evolutionary Relationship

Broadnose cat shark and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Broadnose cat shark

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Broadnose cat shark	Ruff
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.

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

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.

Ruff

Ruff（Calidris pugnax）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。