Bonnet hammerhead vs Bridge Roller

Sphyrna tiburo compared with Ancylis uncella

Key Differences

• Bonnet hammerhead is Endangered while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Bonnet hammerhead	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Sphyrnidae (Hammerhead Sharks)	Tortricidae
Genus	Sphyrna (Hammerhead Sharks)	Ancylis
Species	Sphyrna tiburo	Ancylis uncella

Evolutionary Relationship

Bonnet hammerhead and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bonnet hammerhead

EN — Endangered

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Bonnet hammerhead	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bonnet hammerhead

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Bonnet hammerhead

The Bonnet hammerhead (Sphyrna tiburo) is a species in the genus Sphyrna. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.