Bishop ray vs Black Crystalwort

Aetobatus narinari compared with Riccia nigrella

Key Differences

• Bishop ray is Near Threatened while Black Crystalwort is Not Evaluated.

Taxonomic Classification

Rank	Bishop ray	Black Crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Elasmobranchii	Marchantiopsida (Marchantiopsida)
Order	Myliobatiformes (Myliobatiformes)	Marchantiales (Marchantiales)
Family	Myliobatidae	Ricciaceae
Genus	Aetobatus	Riccia
Species	Aetobatus narinari	Riccia nigrella

Conservation Status

Bishop ray

NT — Near Threatened

Black Crystalwort

NE — Not Evaluated

Physical Characteristics

Attribute	Bishop ray	Black Crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bishop ray

Habitat

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

Range

Distributed across Colombia, Taiwan, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Bishop ray

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.

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.