Black Teatfish vs Scarlet Macaw

Holothuria nobilis compared with Ara macao

Key Differences

• Black Teatfish is Endangered while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	Black Teatfish	Scarlet Macaw
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Holothuroidea (Holothuroidea)	Aves (Birds)
Order	Holothuriida (Holothuriida)	Psittaciformes (Parrots)
Family	Holothuriidae	Psittacidae (True Parrots)
Genus	Holothuria	Ara (Macaws)
Species	Holothuria nobilis	Ara macao

Evolutionary Relationship

Black Teatfish and Scarlet Macaw share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Teatfish

EN — Endangered

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black Teatfish	Scarlet Macaw
Diet	—	Herbivore
Average Lifespan	—	50 years
Average Length	—	85 cm
Average Weight	—	1.0 kg

Habitat & Geographic Range

Black Teatfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Scarlet Macaw

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of its range.

Black Teatfish

The Black Teatfish (Holothuria nobilis) is a species in the genus Holothuria. It is currently classified as Endangered on the IUCN Red List. Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Scarlet Macaw

One of the most brilliantly colored birds in the Americas, scarlet macaws display vivid red, yellow, and blue plumage with wingspans reaching 1 meter. Found in humid lowland forests from Mexico to Bolivia, they are highly intelligent, long-lived — up to 75 years — and form lifelong pair bonds. They travel long distances to clay licks where they consume mineral-rich soil to detoxify seeds. Listed as Least Concern but locally threatened by habitat loss and the pet trade.