arrow-finned squid vs Green Sea Turtle

Illex oxygonius compared with Chelonia mydas

Key Differences

• arrow-finned squid is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	arrow-finned squid	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Cephalopoda (Cephalopods)	Reptilia (Reptiles)
Order	Oegopsida (Oegopsida)	Testudines (Turtles & Tortoises)
Family	Ommastrephidae	Cheloniidae (Sea Turtles)
Genus	Illex	Chelonia (Green Sea Turtles)
Species	Illex oxygonius	Chelonia mydas

Evolutionary Relationship

arrow-finned squid and Green Sea Turtle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow-finned squid

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	arrow-finned squid	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

arrow-finned squid

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.

arrow-finned squid

The Arrow-finned squid, Illex oxygonius, is a species. It is currently assessed as least concern on the IUCN Red List.

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.