Red Abalone vs Sheep's Ear Abalone

Haliotis rufescens compared with Haliotis ovina

Key Differences

• Red Abalone is Critically Endangered while Sheep's Ear Abalone is Least Concern.

Taxonomic Classification

Rank	Red Abalone	Sheep's Ear Abalone
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Mollusca (मोलस्का)	Mollusca (मोलस्का)
Class same	Gastropoda (उदरपाद)	Gastropoda (उदरपाद)
Order same	Lepetellida (Lepetellida)	Lepetellida (Lepetellida)
Family same	Haliotidae	Haliotidae
Genus same	Haliotis	Haliotis
Species	Haliotis rufescens	Haliotis ovina

Evolutionary Relationship

Red Abalone and Sheep's Ear Abalone share a common ancestor at the Genus level: Haliotis.

Conservation Status

Red Abalone

CR — Critically Endangered

Sheep's Ear Abalone

LC — Least Concern

Physical Characteristics

Attribute	Red Abalone	Sheep's Ear Abalone
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red Abalone

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and tropical and subtropical dry broadleaf forests, among 9 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Sheep's Ear Abalone

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway and Taiwan.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇹🇼 Taiwan