Here is a link to a video that highlights the issues with eel passage. There is no dispute that eels can migrate over vertical structures such as Catrine Weir. But what about those that can’t make it, or that are predated, the huge amount of energy required to climb and the congregation of fish at an obstacle and the problems that are inherent with this? Bristle boards installed at Garden Weir on the Lugton Water. An eel’s eye view of the bristle boards installed at Garden Weir on the Lugton Water. This is why the Trust has installed two eel…

Source: Ayshire River Trust – Eel Passage Video