Giant Otter vs

Pteronura brasiliensis compared with Nostoc sphaericum

Key Differences

• Giant Otter is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter
Kingdom	Animalia (動物)	Bacteria (Bacteria)
Phylum	Chordata (脊索動物)	Cyanobacteria (藍藻)
Class	Mammalia (哺乳類)	Cyanobacteriia
Order	Carnivora (ネコ目)	Cyanobacteriales
Family	Mustelidae (Weasels & Otters)	Nostocaceae
Genus	Pteronura	Nostoc
Species	Pteronura brasiliensis	Nostoc sphaericum

Conservation Status

Giant Otter

EN — Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Nostoc sphaerica は、Nostocaceae科に属するコロニー形成性の窒素固定シアノバクテリアで、肉眼で見えるゼラチン状の球形または不規則なコロニーを形成する。湿った土壌、岩石、淡水環境に生息し、降雨後に目立つ塊を形成する。