Fraser's dolphin vs house mouse

Lagenodelphis hosei compared with Mus musculus

Taxonomic Classification

Rank	Fraser's dolphin	house mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Delphinidae (Oceanic Dolphins)	Muridae (Mice & Rats)
Genus	Lagenodelphis	Mus (House Mice)
Species	Lagenodelphis hosei	Mus musculus

Evolutionary Relationship

Fraser's dolphin and house mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Fraser's dolphin

LC — Least Concern

house mouse

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Fraser's dolphin	house mouse
Diet	—	Omnivore
Average Lifespan	—	2 years
Average Length	—	9 cm
Average Weight	—	20 g

Habitat & Geographic Range

Fraser's dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal), and South America (Colombia, Ecuador, Venezuela).

house mouse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (9 countries), Asia (13 countries), Europe (41 countries), North America (14 countries), Oceania and the Pacific (12 countries), and South America (10 countries).

house mouse

Among the most widespread and numerous mammals on Earth, house mice originated in South Asia and have accompanied human civilization across every continent except Antarctica. Weighing just 15–25 g, they are highly adaptable omnivores capable of surviving on minimal food and water. As the world's most commonly used laboratory animal, the house mouse has contributed to virtually every branch of biomedical research. They cause significant agricultural damage globally.

Shared Countries

Both species can be found in 6 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇵🇹 Portugal 🇹🇼 Taiwan 🇻🇪 Venezuela