Giant Otter vs

Pteronura brasiliensis compared with Sphingomonas lacus

Key Differences

• Giant Otter is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Proteobacteria (Proteobacteria)
Class	Mammalia (Mammals)	Alphaproteobacteria (Alphaproteobacteria)
Order	Carnivora (Carnivorans)	Sphingomonadales (Sphingomonadales)
Family	Mustelidae (Weasels & Otters)	Sphingomonadaceae
Genus	Pteronura	Sphingomonas
Species	Pteronura brasiliensis	Sphingomonas lacus

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 Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

Sphingomonas lacus is a Gram-negative, yellow-pigmented aerobic rod first isolated from lake water, as its species name indicates. It inhabits freshwater lacustrine environments including lakes and ponds of temperate regions. This aerobic chemoheterotroph decomposes dissolved organic matter and aromatic compounds in freshwater habitats.