big bottom bobtail squid vs common bottlenose dolphin

Austrorossia australis compared with Tursiops truncatus

Taxonomic Classification

Rank	big bottom bobtail squid	common bottlenose dolphin
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Mollusca (मोलस्का)	Chordata (रज्जुकी)
Class	Cephalopoda (शीर्षपाद)	Mammalia (स्तनधारी)
Order	Sepiida (समुद्रफेनी)	Cetacea (Whales & Dolphins)
Family	Sepiolidae	Delphinidae (Oceanic Dolphins)
Genus	Austrorossia	Tursiops (Bottlenose Dolphins)
Species	Austrorossia australis	Tursiops truncatus

Evolutionary Relationship

big bottom bobtail squid and common bottlenose dolphin share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

big bottom bobtail squid

LC — Least Concern

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	big bottom bobtail squid	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

big bottom bobtail squid

common bottlenose dolphin

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

big bottom bobtail squid

The Big bottom bobtail squid (Austrorossia australis) is a species in the genus Austrorossia. It is currently classified as Least Concern on the IUCN Red List.

common bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.