Brownfish vs Buff-necked Ibis

Actinopyga echinites compared with Theristicus caudatus

Key Differences

• Brownfish is Vulnerable while Buff-necked Ibis is Least Concern.

Taxonomic Classification

Rank	Brownfish	Buff-necked Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Holothuroidea (Holothuroidea)	Aves (Birds)
Order	Holothuriida (Holothuriida)	Pelecaniformes (Pelecaniformes)
Family	Holothuriidae	Threskiornithidae
Genus	Actinopyga	Theristicus
Species	Actinopyga echinites	Theristicus caudatus

Evolutionary Relationship

Brownfish and Buff-necked Ibis share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brownfish

VU — Vulnerable

Buff-necked Ibis

LC — Least Concern

Physical Characteristics

Attribute	Brownfish	Buff-necked Ibis
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.

Buff-necked Ibis

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and South America (Colombia, Venezuela).

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.

Buff-necked Ibis

Buff-necked Ibis (Theristicus caudatus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.