In Orkney dialect Ware grows below low tide and Tang grows on rocks higher up the shore but the seaweed Tangle is actually a ware! Orkney sheep have eaten seaweed since Neolithic times – in North Ronaldsay the sheep are famous for their seaweed diet!
People can eat seaweed. It is an important part of Asian cuisine and you can sustainably harvest your own or find it in Shearers in Kirkwall or the Bayleaf Delicatessen in Stromness!
The red seaweed Dulse gets a mention in the 900AD saga of the Viking poet Egil: “Then Egil said, ‘That happens if you eat Dulse, it makes you even thirstier.” (Ch 79)
In Scots, Ware grows in the sea and Tang on rocks uncovered at low tide.
as in ‘…You’ve never smelled the tangle o’ the Isles’.
In Orkney, Knotted Wrack is called Yellow Tang and seaweed collects on Warbeth Beach.