Bishop ray vs cavernous crystalwort

Aetobatus narinari compared with Riccia cavernosa

Key Differences

• Bishop ray is Near Threatened while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Bishop ray	cavernous 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 cavernosa

Conservation Status

Bishop ray

NT — Near Threatened

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Bishop ray	cavernous 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.

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.