floating crystalwort vs Giant Otter

Riccia fluitans compared with Pteronura brasiliensis

Key Differences

• floating crystalwort is Near Threatened while Giant Otter is Endangered.

Taxonomic Classification

Rank	floating crystalwort	Giant Otter
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Marchantiopsida (Marchantiopsida)	Mammalia (Mammals)
Order	Marchantiales (Marchantiales)	Carnivora (Carnivorans)
Family	Ricciaceae	Mustelidae (Weasels & Otters)
Genus	Riccia	Pteronura
Species	Riccia fluitans	Pteronura brasiliensis

Conservation Status

floating crystalwort

NT — Near Threatened

Giant Otter

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

floating crystalwort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.