gray wolf vs Spiny naiad

Canis lupus compared with Najas marina

Key Differences

• gray wolf is Critically Endangered while Spiny naiad is Endangered.

Taxonomic Classification

Rank	gray wolf	Spiny naiad
Kingdom	Animalia (동물)	Plantae (식물)
Phylum	Chordata (척삭동물)	Magnoliophyta (피자식물문)
Class	Mammalia (포유류)	Liliopsida (백합강)
Order	Carnivora (식육목)	Alismatales (택사목)
Family	Canidae (Dogs & Wolves)	Hydrocharitaceae
Genus	Canis (Dogs & Wolves)	Najas
Species	Canis lupus	Najas marina

Conservation Status

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Spiny naiad

EN — Endangered

Physical Characteristics

Attribute	gray wolf	Spiny naiad
Diet	Carnivore	—
Average Lifespan	13 years	—
Average Length	1.6 m	—
Average Weight	45.0 kg	—

Habitat & Geographic Range

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Spiny naiad

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands, among 5 distinct biome types spanning the Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Sri Lanka, Taiwan), Europe (5 countries), North America (6 countries), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

gray wolf

가장 넓은 분포 범위를 가진 야생 갯과 동물인 회색늑대는 북아메리카에서 유라시아에 걸쳐 툰드라, 숲, 초원 등 다양한 서식지에 분포합니다. 우세한 번식 쌍이 이끄는 가족 단위 무리를 이루어 생활하는 고도로 사회적인 동물입니다. 최상위 포식자로서 먹이 개체군을 조절하고 생태계 구조를 근본적으로 형성하는데, 옐로스톤에서의 재도입 사례가 이를 잘 보여줍니다. 한때 심각하게 박해받았으나 많은 지역에서 개체군이 회복 중입니다.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇺 Cuba 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States