Black Howler Monkey vs Common Seahorse

Alouatta pigra compared with Hippocampus kuda

Key Differences

• Black Howler Monkey is Endangered while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Black Howler Monkey	Common Seahorse
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Actinopterygii (Ray-finned Fish)
Order	Primates (サル目)	Perciformes (ペルカ目)
Family	Atelidae	Pomacentridae (Clownfish & Damselfish)
Genus	Alouatta	Amphiprion (Clownfish)
Species	Alouatta pigra	Hippocampus kuda

Evolutionary Relationship

Black Howler Monkey and Common Seahorse share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Black Howler Monkey

EN — Endangered

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black Howler Monkey	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Seahorse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, India, Indonesia, Japan, and Philippines. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Seahorse

タツノオトシゴ（Hippocampus kuda）は熱帯および温帯の海域に分布する。オスが子を育てて出産するという独特な繁殖形態で知られる。