FISHERMEN have warned that increased numbers of deadly blue-ringed octopus have been sighted around Moreton Bay. Fishing expert Earl McNiven said bait suppliers had reported increased numbers from Nudgee beach to Wynnum. Mr McNiven said children in the Nudgee Beach area should be warned not to touch small octopuses. The blue-ringed octopus is small, grey in colour but turns a spectacular blue when aggravated...