Lesser Cachalot vs St. James' shell

Kogia breviceps compared with Pecten maximus

Key Differences

• Lesser Cachalot is Data Deficient while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Lesser Cachalot	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Cetacea (Whales & Dolphins)	Pectinida (Pectinida)
Family	Kogiidae	Pectinidae
Genus	Kogia	Pecten
Species	Kogia breviceps	Pecten maximus

Evolutionary Relationship

Lesser Cachalot and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Cachalot

DD — Data Deficient

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Lesser Cachalot	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and Taiwan.

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇵🇹 Portugal 🇸🇪 Sweden