The greater blue-ringed octopus (Hapalochlaena lunulata) is one of four species of extremely venomous blue-ringed octopuses belonging to the family Octopodidae. This particular species of blue-ringed …

Basic facts about Greater blue-ringed octopus: lifespan, distribution and habitat map, lifestyle and social behavior, mating habits, diet and nutrition, population size and status.

There may be around 10 different species of blue-ringed octopus, though only four have been given scientific names. The greater blue-ringed octopus (Hapalochlaena lunulata) is about 12 centimetres …

Two well-known examples are the lesser (Southern) blue-ringed octopuses, Hapalochlaena maculosa (Hoyle, 1883), and the greater blue-ringed octopuses, Hapalochlaena lunulata, (Quoy and Gaimard, …

In most individuals, these dazzling blue formations number approximately 60. Each is also surrounded by a thin black rim. Each individual Greater blue-ringed octopus, like its numerous brethren, changes …

Blue-ringed octopuses are carnivores, feeding primarily on small crabs, hermit crabs, shrimp, and other crustaceans. They are ambush predators, patiently waiting for prey to come within reach. They …

In the greater blue-ringed octopus (H. lunulata), the rings contain multilayer light reflectors called iridophores. These are arranged to reflect blue–green light in a wide viewing direction.

Its larger rings distinguish Hapalochochlaena lunulata , the Greater blue-ringed octopus, from the other species.

Jul 30, 2007 · The greater blue-ringed octopus is one of several species of blue-ringed octopuses. All are thought to be venomous and for their size, they are the most deadly of all cephalopods.

The greater blue-ringed octopus (Hapalochlaena lunulata) is a small, charismatic, shallow-water octopus best known for its colourful display warning of its toxic nature.