Brownfish vs flat-backed millipede

Actinopyga echinites compared with Polydesmus complanatus

Key Differences

• Brownfish is Vulnerable while flat-backed millipede is Least Concern.

Taxonomic Classification

Rank	Brownfish	flat-backed millipede
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Holothuroidea (Holothuroidea)	Diplopoda (Diplopoda)
Order	Holothuriida (Holothuriida)	Polydesmida (Polydesmida)
Family	Holothuriidae	Polydesmidae
Genus	Actinopyga	Polydesmus
Species	Actinopyga echinites	Polydesmus complanatus

Evolutionary Relationship

Brownfish and flat-backed millipede share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brownfish

VU — Vulnerable

flat-backed millipede

LC — Least Concern

Physical Characteristics

Attribute	Brownfish	flat-backed millipede
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.

flat-backed millipede

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.