Black-Based Cluster Fly vs Common Seahorse

Pollenia labialis compared with Hippocampus kuda

Key Differences

• Black-Based Cluster Fly is Least Concern while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Black-Based Cluster Fly	Common Seahorse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Actinopterygii (Ray-finned Fish)
Order	Diptera (Diptera)	Perciformes (Perch-like Fish)
Family	Polleniidae	Pomacentridae (Clownfish & Damselfish)
Genus	Pollenia	Amphiprion (Clownfish)
Species	Pollenia labialis	Hippocampus kuda

Evolutionary Relationship

Black-Based Cluster Fly and Common Seahorse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Based Cluster Fly

LC — Least Concern

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black-Based Cluster Fly	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Black-Based Cluster Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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-Based Cluster Fly

The Black-Based Cluster Fly (Pollenia labialis) is a species in the genus Pollenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Common Seahorse

The common seahorse is found in tropical and temperate waters. Males carry and deliver the babies.