Grooved cuttlefish vs Irrawaddy dolphin

Sepia sulcata compared with Orcaella brevirostris

Key Differences

• Grooved cuttlefish is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Grooved cuttlefish	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Cephalopoda (Cephalopods)	Mammalia (Mammals)
Order	Sepiida (Sepiida)	Cetacea (Whales & Dolphins)
Family	Sepiidae	Delphinidae (Oceanic Dolphins)
Genus	Sepia	Orcaella
Species	Sepia sulcata	Orcaella brevirostris

Evolutionary Relationship

Grooved cuttlefish and Irrawaddy dolphin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Grooved cuttlefish

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Grooved cuttlefish	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grooved cuttlefish

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.