Amerika-tenjikuzame vs Leatherback Sea Turtle

Ginglymostoma cirratum compared with Dermochelys coriacea

Taxonomic Classification

Rank	Amerika-tenjikuzame	Leatherback Sea Turtle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Reptilia (爬虫類)
Order	Orectolobiformes (テンジクザメ目)	Testudines (カメ)
Family	Ginglymostomatidae	Cheloniidae (Sea Turtles)
Genus	Ginglymostoma	Chelonia (Green Sea Turtles)
Species	Ginglymostoma cirratum	Dermochelys coriacea

Evolutionary Relationship

Amerika-tenjikuzame and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Amerika-tenjikuzame

VU — Vulnerable

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Amerika-tenjikuzame	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Amerika-tenjikuzame

Habitat

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

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Leatherback 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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Amerika-tenjikuzame

The Carpet Shark (Ginglymostoma cirratum) is a species in the genus Ginglymostoma. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Leatherback Sea Turtle

オサガメは現存する最大のカメであり、爬虫類の中で4番目に重い種です。他のカメとは異なり、硬い甲羅ではなく柔らかく革のような皮膚に覆われています。