Frill shark vs Green Sea Turtle

Chlamydoselachus anguineus compared with Chelonia mydas

Key Differences

• Frill shark is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Frill shark	Green Sea Turtle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Reptilia (สัตว์เลื้อยคลาน)
Order	Hexanchiformes (อันดับปลาฉลามครุย)	Testudines (เต่า)
Family	Chlamydoselachidae	Cheloniidae (Sea Turtles)
Genus	Chlamydoselachus	Chelonia (Green Sea Turtles)
Species	Chlamydoselachus anguineus	Chelonia mydas

Evolutionary Relationship

Frill shark and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Frill shark

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Frill shark	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Frill shark

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile, Norway, Portugal, and Taiwan.

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.