There are many reports of the fish looking different, as we've heard. They're smaller and have more scars and softer meat, and there's just an all around difference. When we get them to prepare them, we will hear the grandmas say, “The fish looks different.”
As we heard, there are many different factors playing into this. We know that the environment in which they need to survive is suffering somehow, and this is an indication of what is happening. To pinpoint it, we really don't know.