Common Blanket Octopus vs gelatinous blanket octopus

Tremoctopus violaceus compared with Tremoctopus gelatus

Taxonomic Classification

Rank	Common Blanket Octopus	gelatinous blanket octopus
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Mollusca (Weichtiere)	Mollusca (Weichtiere)
Class same	Cephalopoda (Kopffüßer)	Cephalopoda (Kopffüßer)
Order same	Octopoda (Kraken)	Octopoda (Kraken)
Family same	Tremoctopodidae	Tremoctopodidae
Genus same	Tremoctopus	Tremoctopus
Species	Tremoctopus violaceus	Tremoctopus gelatus

Evolutionary Relationship

Common Blanket Octopus and gelatinous blanket octopus share a common ancestor at the Genus level: Tremoctopus.

Conservation Status

Common Blanket Octopus

LC — Least Concern

gelatinous blanket octopus

LC — Least Concern

Physical Characteristics

Attribute	Common Blanket Octopus	gelatinous blanket octopus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Blanket Octopus

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

gelatinous blanket octopus

Common Blanket Octopus

The common blanket octopus (<em>Tremoctopus violaceus</em>) is a remarkable pelagic cephalopod mollusc classified as Least Concern on the IUCN Red List, with records indicating its presence in Asian waters, including around Taiwan. The species exhibits extreme sexual dimorphism: females can reach lengths of up to two meters when the cape-like webbing between their dorsal arms is extended, while males are tiny, reaching only a few centimeters. The distinctive webbing, which resembles a flowing blanket, is thought to serve as a defense mechanism, being extended to confuse or deter predators. Females are also known to detach and wield tentacles from the Portuguese man-of-war, to which they are immune, using them as defensive weapons. <em>Tremoctopus violaceus</em> typically inhabits open oceanic waters across tropical and subtropical seas. Biological traits of this species remain poorly documented in the scientific literature.