Bay Mussel vs koala

Mytilus edulis compared with Phascolarctos cinereus

Key Differences

Bay Mussel is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Bay Mussel	koala
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Chordata (脊索動物)
Class	Bivalvia (二枚貝)	Mammalia (哺乳類)
Order	Mytilida (Mytilida)	Diprotodontia (カンガルー目)
Family	Mytilidae	Phascolarctidae (Koalas)
Genus	Mytilus	Phascolarctos (Koalas)
Species	Mytilus edulis	Phascolarctos cinereus

Evolutionary Relationship

Bay Mussel and koala share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

Bay Mussel

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bay Mussel	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bay Mussel

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Taiwan, Turkey), Europe (7 countries), North America (Canada, United States), and South America (Argentina).

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

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

Bay Mussel

ムラサキイガイ（Mytilus edulis）は、IUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体にわたって広く生息し個体数も豊富で、個体群は安定しており、差し迫った保全上の懸念はありません。

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。