Alder's necklace shell vs Ballena jorobada

Euspira nitida compared with Megaptera novaeangliae

Key Differences

• Alder's necklace shell is Least Concern while Ballena jorobada is Vulnerable.

Taxonomic Classification

Rank	Alder's necklace shell	Ballena jorobada
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Chordata (cordados)
Class	Gastropoda (gastrópodos)	Mammalia (mamíferos)
Order	Littorinimorpha (Littorinimorpha)	Cetacea (Whales & Dolphins)
Family	Naticidae	Balaenopteridae (Rorquals)
Genus	Euspira	Megaptera (Humpback Whales)
Species	Euspira nitida	Megaptera novaeangliae

Evolutionary Relationship

Alder's necklace shell and Ballena jorobada share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder's necklace shell

LC — Least Concern

Ballena jorobada

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Alder's necklace shell	Ballena jorobada
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

Alder's necklace shell

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Ballena jorobada

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 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder's necklace shell

The Alder's necklace shell (Euspira nitida) is a species in the genus Euspira. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Ballena jorobada

Entre las ballenas grandes más acrobáticas, las ballenas jorobadas son célebres por sus complejos y estremecedores cantos entonados por los machos durante la temporada reproductiva, que pueden durar horas y evolucionar con el tiempo. Alcanzando 16 metros y 30 toneladas, realizan las migraciones más largas de cualquier mamífero. Se encuentran en todos los océanos y se alimentan de krill y peces pequeños mediante la técnica cooperativa de pesca con red de burbujas.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden