common bobtail vs Perrin’s Beaked Whale

Sepietta oweniana compared with Mesoplodon perrini

Key Differences

• common bobtail is Least Concern while Perrin’s Beaked Whale is Endangered.

Taxonomic Classification

Rank	common bobtail	Perrin’s Beaked Whale
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Mollusca (มอลลัสกา)	Chordata (สัตว์มีแกนสันหลัง)
Class	Cephalopoda (ชั้นเซฟาโลพอด)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Sepiida (หมึกกระดอง)	Cetacea (Whales & Dolphins)
Family	Sepiolidae	Hyperoodontidae
Genus	Sepietta	Mesoplodon
Species	Sepietta oweniana	Mesoplodon perrini

Evolutionary Relationship

common bobtail and Perrin’s Beaked Whale share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

common bobtail

LC — Least Concern

Perrin’s Beaked Whale

EN — Endangered

Physical Characteristics

Attribute	common bobtail	Perrin’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

common bobtail

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Perrin’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

common bobtail

The common bobtail (<em>Sepietta oweniana</em>) is a small cephalopod mollusc found in the coastal waters of Denmark, Norway, and Sweden. This species typically inhabits European marine ecosystems, often occupying shallow to moderately deep benthic environments along the coastline. As a member of the family Sepiolidae, the common bobtail is a squid-like creature well adapted to life on or near the seafloor. It is classified as Least Concern on the IUCN Red List, reflecting a stable population status across its European range. The species often uses cryptic coloration and burrowing behavior to avoid predation in its marine habitats. It is typically a carnivore, feeding on small crustaceans and fish, and is itself an important prey species for larger marine predators in the North Sea and surrounding waters. Biological traits of this species remain poorly documented in the scientific literature.