|Number seen/Abundance||Date||Location||Comments||Recorded by|
|21 to 42||2001-03||North Ardnamurchan coast
between Balnaha and Swordale, spring counts from march 2001 onwards
|In rock pool during exceptionally low tide I have been counting the numbers since 2001 when first found them, initial count 21 until last count of 42 urchins in a single rock pool - photographs available||Janet Khan|
North Coast Ardnamunchan
|In three rockpools (Sheltered site to the west).||Janet Khan|
North Coast Ardnamunchen
|Formerly present at this site now absent.||Janet Khan|
South facing rocky shore at the entrance to Loch Nevis near Mallaig.
|In rock pools within barnacle zone. Bottom of pool covered with encrusting pink algae. No macroalgae.||Fiona Crouch|
Mount Batten N50:21:25 W4:07:40
|3||2009-07-24||Loch Gortan, Isle of Coll
Steeply sloping rock with mussels and abundant dog whelks. Good pools on the mid-upper shore.
|In a small rock pool above mid tide level. Photos taken for confirmation||Robin Harvey|