It’s a Minn-Kota puck. That’s just the small half, the other portion stays on the trolling motor itself. I have never used it for baitfish but have kept fish alive in it before along with shrimp. It’s basically a bubble box with 2 air stones. Hatches are in good shape. Believe it is all Gemlux stainless steel latches, they are not lockable.
Boat is pending sale