Blue-back Locust Lobster vs Schwertwal

Petrarctus brevicornis compared with Orcinus orca

Key Differences

• Blue-back Locust Lobster is Least Concern while Schwertwal is Data Deficient.

Taxonomic Classification

Rank	Blue-back Locust Lobster	Schwertwal
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Malacostraca (Höhere Krebse)	Mammalia (Säugetiere)
Order	Decapoda (Zehnfußkrebse)	Cetacea (Whales & Dolphins)
Family	Scyllaridae	Delphinidae (Oceanic Dolphins)
Genus	Petrarctus	Orcinus (Orcas)
Species	Petrarctus brevicornis	Orcinus orca

Evolutionary Relationship

Blue-back Locust Lobster and Schwertwal share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Blue-back Locust Lobster

LC — Least Concern

Schwertwal

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Blue-back Locust Lobster	Schwertwal
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Blue-back Locust Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Taiwan.

Schwertwal

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 (4 countries), and South America (Colombia, Ecuador, Venezuela).

Blue-back Locust Lobster

The Blue-back Locust Lobster (Petrarctus brevicornis) is a species in the genus Petrarctus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

Schwertwal

The largest member of the dolphin family, orcas reach up to 9 meters and 6 tonnes and are found in every ocean from Arctic to Antarctic. Apex predators living in matrilineal pods with distinct dialects, hunting strategies, and cultural traditions that differ between populations. Some populations specialize in fish, others in marine mammals. No natural predators; orcas sit at the top of every marine food chain they inhabit.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan