Amazonian manatee vs Black Crystalwort

Trichechus inunguis compared with Riccia nigrella

Key Differences

• Amazonian manatee is Vulnerable while Black Crystalwort is Not Evaluated.

Taxonomic Classification

Rank	Amazonian manatee	Black Crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Marchantiopsida (Marchantiopsida)
Order	Sirenia (Sirenia)	Marchantiales (Marchantiales)
Family	Trichechidae	Ricciaceae
Genus	Trichechus	Riccia
Species	Trichechus inunguis	Riccia nigrella

Conservation Status

Amazonian manatee

VU — Vulnerable

Black Crystalwort

NE — Not Evaluated

Physical Characteristics

Attribute	Amazonian manatee	Black Crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian manatee

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Black Crystalwort

Habitat

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

Range

Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

Amazonian manatee

The Amazonian manatee (Trichechus inunguis) is a species in the genus Trichechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black Crystalwort

The Black Crystalwort (Riccia nigrella) is a species in the genus Riccia. Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region. Distributed across Chile, Japan, New Zealand, Norway, and Portugal.