Really just so I can see these neat things. Like these little tiny crabs, maybe thumbnail size at most (Ocypodidae ?). They come out at low tide, have one claw as big as their body, they stand at their hole and wave it at each out other like "hey! check THIS claw out! No, brah, check MINE out!" and, they do this all the way till tide comes in. Or, the rays sitting on their nests and will wait to the last moment to swim away when the tide is going out. At high tide all kinds of bigger things will come in and check the local scene.

Once I have HA linked, I can start a camera record some of this. Yes, it has to be a rube goldberg machine; a digital camera powered by tide, recording kicked of by an over-complicated mechanical device that is also driven by flowing water.