Blue-Ringed Octopus

NT Carnivore Coral Reefs, Tide Pools
Up to 300 g
Weight
6–8 yrs
Lifespan
N/A
Top Speed
Indo-Pacific region
Found In

Endemic to Indo-Pacific region, the Blue-Ringed Octopus is a carnivore species inhabiting coral reefs, tide pools habitats. Weighing Up to 300 g, it is classified as Near Threatened.

Physical Characteristics & Habitat

Size & Speed

Metric Blue-Ringed Octopus Carnivore Invertebrates Median Difference
Weight 0.3 g 4.4 g ↑ 6797%
Height 20 cm
Weight (g)0.3avg 4.4Lifespan (yrs)7avg 9.5

Habitat & Distribution

The Blue-Ringed Octopus inhabits coral reefs, tide pools habitats. It can be found in Indo-Pacific region.

Typical coloring: Blue, Brown.

Diet & Predators

Diet: Carnivore
Predators: Larger Fish

Behavior & Reproduction

Social Structure

The Blue-Ringed Octopus is a solitary species belonging to the Octopodidae family.

Reproduction

Gestation Period: 50–70 days
Offspring per Birth: Up to 100
Lifespan: 6–8 years

Conservation & Comparison

IUCN Conservation Status

NT The Blue-Ringed Octopus is classified as Near Threatened. There are 14 species with the same status in our database.

Species Comparison

Among 10 carnivore invertebrates, the Blue-Ringed Octopus’s weight of Up to 300 g is significantly higher than the group median of 4.4 g.

Weight rank: #10 of 14 Near Threatened species.

# Species Weight Status
1 White Rhinoceros 1800–2500 kg NT
2 Narwhal Up to 1600 kg NT
3 American Bison 318–1000 kg NT
4 Markhor Up to 110 kg NT
5 Gerenuk 28–52 kg NT

Related Species

How much does a Blue-Ringed Octopus weigh?

A Blue-Ringed Octopus typically weighs Up to 300 g, which is exceptionally high compared to the median of 4.4 g among carnivore invertebrates.

What is the conservation status of the Blue-Ringed Octopus?

The Blue-Ringed Octopus is classified as “Near Threatened”. There are 14 species with the same status in our database.

Where does the Blue-Ringed Octopus live?

The Blue-Ringed Octopus is found in Indo-Pacific region, in coral reefs, tide pools habitats.

How does the Blue-Ringed Octopus reproduce?

The Blue-Ringed Octopus has a gestation period of 50–70 days and typically produces Up to 100 offspring per birth.

Data Sources: IUCN, WWF, National Geographic, Smithsonian Institution.

Last Updated: April 10, 2026