The Slo-mo Kayak is especially designed for stability and from their web site appears to be especially suited to fishing. The site shows many pictures of people standing in the kayak and e.g. casting with a rod and reel. They optionally sell two models of trolling motor.
A completely hands-free electric powered personal fishing boat. Resembles a cross-breed of a canoe, sit-on-top-kayak and a drift boat. Yet, hidden under each side of the hull is an electric motor, connected to 18" long screw drives recessed in tunnels. This allows the watercraft to operate in as little as 6 inches of water. Sliding foot switches are connected to each motor/screw drive.
An article describing the complete outfitting of a kayak for fishing, including a trolling motor. The kayak in question is a double pontoon with seating in the middle.
The sleek lines and yacht-like appearance both in and out of the water attract attention to this custom craft. This kayak is an original Peter Hunt design based on a turn-of-the-century Herreshoff steam yacht.
They have available: electric kayak plans, electric Kayak kits, and electric Kayaks fully assembled. It appears to be an open design kayak, no spray skirt etc, and is not a sit-on-top.
An home-built electric kayak design using a sit-on-top kayak. The fellow thinks it can be used to raft together several of these kayaks into a powered platform or barge and can be used to shuttle stuff around when a dock is full.