blue-lined octopus

H. fasciata, the blue-lined octopus, measuring about 15 cm (5.9 inches) long, occurs in shallow coastal waters of Australia from southern Queensland to southern New South Wales. H. nierstraszi, which is about 8.2–16 cm (3.2–6.3 inches) long and weighs 5.5–18 grams (0.2–0.6 ounce), is known…