Brownfish vs Ferny Azolla

Actinopyga echinites compared with Azolla pinnata

Key Differences

Brownfish is Vulnerable while Ferny Azolla is Least Concern.

Taxonomic Classification

Rank	Brownfish	Ferny Azolla
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Tracheophyta
Class	Holothuroidea (Holothuroidea)	Polypodiopsida (Polypodiopsida)
Order	Holothuriida (Holothuriida)	Salviniales (Salviniales)
Family	Holothuriidae	Salviniaceae
Genus	Actinopyga	Azolla
Species	Actinopyga echinites	Azolla pinnata

Conservation Status

Brownfish

VU — Vulnerable

Ferny Azolla

LC — Least Concern

Physical Characteristics

Attribute	Brownfish	Ferny Azolla
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Ferny Azolla

Habitat

Found across multiple habitat types including deserts and xeric shrublands, tropical and subtropical moist broadleaf forests, and flooded grasslands and savannas spanning the Palearctic and Oceanian realms.

Range

Widely distributed across Africa (4 countries), Asia (Indonesia, Singapore, Taiwan), North America (Mexico, United States), and Oceania and the Pacific (Marshall Islands, New Zealand, Tuvalu).

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.