Black roughscale catshark vs Gharial

Apristurus melanoasper compared with Gavialis gangeticus

Key Differences

• Black roughscale catshark is Least Concern while Gharial is Critically Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Gharial
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Reptilia (Reptiles)
Order	Carcharhiniformes (Ground Sharks)	Crocodylia (Crocodilians)
Family	Scyliorhinidae	Crocodylidae (Crocodiles)
Genus	Apristurus	Crocodylus (True Crocodiles)
Species	Apristurus melanoasper	Gavialis gangeticus

Evolutionary Relationship

Black roughscale catshark and Gharial share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

Gharial

CR — Critically Endangered

Population: ~650

Trend: Increasing ↑

Physical Characteristics

Attribute	Black roughscale catshark	Gharial
Diet	—	Carnivore
Average Lifespan	—	60 years
Average Length	—	5.0 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Black roughscale catshark

Habitat

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

Gharial

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) 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.

Gharial

The gharial is a fish-eating crocodilian with a distinctive long, narrow snout. It is critically endangered with fewer than 700 adults.