Black Crystalwort vs Leatherback Sea Turtle

Riccia nigrella compared with Dermochelys coriacea

Key Differences

Black Crystalwort is Not Evaluated while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Black Crystalwort	Leatherback Sea Turtle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Marchantiopsida (Marchantiopsida)	Reptilia (Reptiles)
Order	Marchantiales (Marchantiales)	Testudines (Turtles & Tortoises)
Family	Ricciaceae	Cheloniidae (Sea Turtles)
Genus	Riccia	Chelonia (Green Sea Turtles)
Species	Riccia nigrella	Dermochelys coriacea

Conservation Status

Black Crystalwort

NE — Not Evaluated

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black Crystalwort	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic 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.

Leatherback Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.