Black roughscale catshark vs Threeleaf Halberd Fern

Apristurus melanoasper compared with Tectaria trifoliata

Key Differences

• Black roughscale catshark is Least Concern while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Threeleaf Halberd Fern
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Tracheophyta
Class	Chondrichthyes (ปลากระดูกอ่อน)	Polypodiopsida (Polypodiopsida)
Order	Carcharhiniformes (อันดับปลาฉลามครีบดำ)	Polypodiales (Polypodiales)
Family	Scyliorhinidae	Tectariaceae
Genus	Apristurus	Tectaria
Species	Apristurus melanoasper	Tectaria trifoliata

Conservation Status

Black roughscale catshark

LC — Least Concern

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Threeleaf Halberd Fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black roughscale catshark

Habitat

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

Threeleaf Halberd Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.