vs Green Sea Turtle

Aulacoseira islandica compared with Chelonia mydas

Key Differences

is Not Evaluated while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank		Green Sea Turtle
Kingdom	Chromista (クロミスタ)	Animalia (動物)
Phylum	Ochrophyta (オクロ植物)	Chordata (脊索動物)
Class	Bacillariophyceae (クサリケイソウ綱)	Reptilia (爬虫類)
Order	Aulacoseirales (Aulacoseirales)	Testudines (カメ)
Family	Aulacoseiraceae	Cheloniidae (Sea Turtles)
Genus	Aulacoseira	Chelonia (Green Sea Turtles)
Species	Aulacoseira islandica	Chelonia mydas

Conservation Status

NE — Not Evaluated

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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.

アウラコセイラ・イスランジカ（Aulacoseira islandica）は亜寒帯・北極・高山の寒冷貧栄養〜中栄養湖に生育する強健な糸状中心目珪藻類で、顕著な連結棘で結合した円筒状細胞の長い連鎖を形成する。冬季から春季の氷下でも旺盛に生育し、寒冷水域の植物プランクトン群集の重要な構成種である。湖の季節ダイナミクスや水質の指標種として環境モニタリングに活用される。