southern blue-ringed octopus

H. maculosa—the southern, or lesser, blue-ringed octopus—is about 22 cm (8.7 inches) long and weighs about 26 grams (0.9 ounce). It is found at depths of about 50 meters (160 feet) in the waters along Australia’s southern coastline and around Tasmania. H. fasciata, the blue-lined…