Ajeru vs limestone fern

Aetobatus narinari compared with Gymnocarpium robertianum

Key Differences

• Ajeru is Near Threatened while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Ajeru	limestone fern
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Tracheophyta
Class	Elasmobranchii	Polypodiopsida (Polypodiopsida)
Order	Myliobatiformes (Myliobatiformes)	Polypodiales (Polypodiales)
Family	Myliobatidae	Cystopteridaceae
Genus	Aetobatus	Gymnocarpium
Species	Aetobatus narinari	Gymnocarpium robertianum

Conservation Status

Ajeru

NT — Near Threatened

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Ajeru	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ajeru

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.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ajeru

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.