Calamus vs European otter

Acorus calamus compared with Lutra lutra

Key Differences

Calamus is Least Concern while European otter is Vulnerable.

Taxonomic Classification

Rank	Calamus	European otter
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Magnoliophyta (木兰植物门)	Chordata (脊索动物门)
Class	Liliopsida (百合纲)	Mammalia (哺乳動物)
Order	Acorales (菖蒲目)	Carnivora (食肉目)
Family	Acoraceae	Mustelidae (Weasels & Otters)
Genus	Acorus	Lutra (Otters)
Species	Acorus calamus	Lutra lutra

Conservation Status

Calamus

LC — Least Concern

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Calamus	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Calamus

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

European otter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

European otter

欧洲水獭（Lutra lutra）是一种纤细的半水生鼬科动物，分布于欧洲和亚洲的清洁河流、溪流和海岸线。欧洲水獭体长可达1.3米，是技术娴熟的捕鱼者，利用敏感的胡须探测猎物的动向。它们需要鱼类丰富的清洁水域，是淡水生态系统健康状况的指示物种。曾因狩猎和污染在西欧几近灭绝，随着水质改善，种群数量已显著恢复。