With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Blue-ringed octopus hunt barnacles.
text_B: The blue-ringed octopodes -LRB- genus Hapalochlaena -RRB- are three octopus species that live in tide pools and coral reefs in the Pacific and Indian Oceans , from Japan to Australia .. genus. genus. Hapalochlaena. Hapalochlaena. octopus. octopus. species. species. Pacific. Pacific Ocean. Japan. Japan. Australia. Australia. Their primary habitat is around southern New South Wales , South Australia , and northern Western Australia .. Australia. Australia. New South Wales. New South Wales. South Australia. South Australia. Western Australia. Western Australia. They are recognized as one of the world 's most venomous marine animals .. Despite their small size , 12 to , and relatively docile nature , they are dangerous to humans if provoked and handled , because their venom contains tetrodotoxin , a neurotoxin powerful enough to kill humans .. tetrodotoxin. tetrodotoxin. They can be identified by their characteristic blue and black rings , and yellowish skin .. When the octopus is agitated , the brown patches darken dramatically , iridescent blue rings , or clumps of rings , appear and pulsate within the maculae .. octopus. octopus. Typically , 50 -- 60 blue rings cover the dorsal and lateral surfaces of the mantle .. They hunt small crabs , hermit crabs , shrimp , and other small crustaceans .. hermit crabs. hermit crabs. shrimp. shrimp. crustaceans. crustaceans
related.