Big eye thresher shark vs Black-headed Night Monkey

Alopias superciliosus compared with Aotus nigriceps

Key Differences

• Big eye thresher shark is Vulnerable while Black-headed Night Monkey is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	Black-headed Night Monkey
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Lamniformes (อันดับปลาฉลามขาว)	Primates (อันดับวานร)
Family	Alopiidae	Aotidae
Genus	Alopias	Aotus
Species	Alopias superciliosus	Aotus nigriceps

Evolutionary Relationship

Big eye thresher shark and Black-headed Night Monkey share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	Black-headed Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

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

Range

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

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.