Swamped

Is that a spiky terror? You heard about them about six months ago when the Captain made his proposition you decided to learn whatever you could about the east nations and what could you find out in the sea, nothing much of course but you remember these little guys,sea living creatures that move about the ocean with their 'spikes' brought to the aedran empire centuries ago from a nation of wizards? something like that they suppose to produce a toxin that causes panic but last you heard they went extinct in this continent years ago due to them being used in smoke bombs, the book hints to a Kandrian small creation of them in noble families due to them being a pretty blue hue, but that book was fairly old and even still they would cost a fortune! Besides the effects are all wrong... Wait you think of something that would make some sense regarding it's effects, swamp beast muck