But that would trend to cutting out the middle man due to the inefficiencies they create.
Middlemen will only work if either these middlemen make the utilization more efficient or you make the requirements to bid so onerous that only these specialized middlemen have the competency to do fulfill them.
No, middlemen would happen if it's profitable to be a middleman. Extreme case: one person bids just enough to get all the rights, then charges double that to fishermen to use them.