Arenero vs Cabeza dura

Carcharhinus obscurus compared with Carcharhinus cerdale

Key Differences

• Arenero is Endangered while Cabeza dura is Critically Endangered.

Taxonomic Classification

Rank	Arenero	Cabeza dura
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Chondrichthyes (Cartilaginous Fish)	Chondrichthyes (Cartilaginous Fish)
Order same	Carcharhiniformes (Ground Sharks)	Carcharhiniformes (Ground Sharks)
Family same	Carcharhinidae	Carcharhinidae
Genus same	Carcharhinus	Carcharhinus
Species	Carcharhinus obscurus	Carcharhinus cerdale

Evolutionary Relationship

Arenero and Cabeza dura share a common ancestor at the Genus level: Carcharhinus.

Conservation Status

Arenero

EN — Endangered

Cabeza dura

CR — Critically Endangered

Physical Characteristics

Attribute	Arenero	Cabeza dura
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arenero

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile, Taiwan, and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cabeza dura

Habitat

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

Arenero

The Bay-shark (Carcharhinus obscurus) is a species in the genus Carcharhinus. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.