What are fish ladders?
Imagine you’re driving down the road when you encounter massive construction. Huge roadblocks are everywhere, and there’s not a detour sign in sight. You’re unfamiliar with this part of town, so you don’t know any alternate routes; worse yet, there doesn’t seem to be a side road that you could take even if you did know where you were going. Other drivers are confused as well, so that before long, there’s a massive backup of traffic. What are you going to do? You have to reach your final destination, but there seems to be no way around the construction scene. While any roadway construction can be inconvenient, it’s unlikely that such a dire and nightmarish situation could completely block motorists. In the process of planning roadway construction, cities and states plan for warning signs, detour routes and perhaps even on-site traffic officers to aid the drivers. And yet, this scenario is very real for fish. While we may think of fish as creatures with the ability to swim about constant
