One and only lizard we saw on the island!

Walking along the harbour we had been saying that we hadn't seen any lizards which is unusual. A few minutes later Chris saw this one and I just managed to grab camera before it shot out of view. Again have no idea what it is but must have been about 6" long and was the only one we saw on our week away. Must also explain that I have been using Chris's camera this week so not as familiar with it as mine (my excuse!)