Bladder Fern vs Brownfish

Cystopteris fragilis compared with Actinopyga echinites

Key Differences

• Bladder Fern is Not Evaluated while Brownfish is Vulnerable.

Taxonomic Classification

Rank	Bladder Fern	Brownfish
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Echinodermata (Echinoderms)
Class	Polypodiopsida (Polypodiopsida)	Holothuroidea (Holothuroidea)
Order	Polypodiales (Polypodiales)	Holothuriida (Holothuriida)
Family	Cystopteridaceae	Holothuriidae
Genus	Cystopteris	Actinopyga
Species	Cystopteris fragilis	Actinopyga echinites

Conservation Status

Bladder Fern

NE — Not Evaluated

Brownfish

VU — Vulnerable

Physical Characteristics

Attribute	Bladder Fern	Brownfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Fern

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

Brownfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Brownfish

The Brownfish (Actinopyga echinites) is a species in the genus Actinopyga. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan