Continuing the hijack...
Salmon fishing in a kayak provides a nice "ride" when you get hooked up.
Not so much with crabbing and prawning.
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As for the type of kayak, everyone will have their own preferences.
I have an inflatable kayak for short hikes into Sierra lakes. No more than 2-3 miles, it becomes a burden after that. It only weighs about 10 lbs, and unfortunately is no longer in production. I purchased it at about $100. It's got a lot of patches on it now. And, I've had to paddle pretty fast a couple of times when I developed a leak of air, to get back to where I could wade ashore. Yes, some people fishing from the banks of those lakes at those times were laughing at me and were also ticked off at me (they thought I was breaking the law).
I also have 4, plastic, fat boat, kayaks, that I purchased over 20 years ago, still in great shape. They are wide in the middle and very stable, left to right wise. I purchased these "fat boat" kayaks for two reasons; 1) as the other members of my family, wife and boys, had never been on the water before (I did squirt boat kayaks, short and very small kayaks, in the rapids of most of California's rivers previously), and 2) because it works great when a big fish wants to go sideways to the kayak. The stability was the thing for me, my wife and boys never turned over or fello ut on a nice flat lake or flat ocean. These fat boat kayaks are very slow to paddle and you can't really cover much distance, due to the resistance in the water being so fat in the middle. Plus, no rudder to help steer. Very basic type of kayak. My old ones weigh about 28 lbs., the newer versions seem to be heavier and weight is everything when you need to haul it to the water or lift it up on top of the vehicle. Styrofoam flotation in both the bow and stern. My boys and I have even used them to surf 1'-2' waves in the ocean, filled them with water when we crashed (not really designed for this type of use), and they still floated. A person just needs some training on the hydraulics of moving water and never find yourself on the shore side of the kayak in waves (a full of water a kayak can be a powerful force when moved by wave).
Here's an example of the "
fat boat" type of kayaks.
I've paddled the long, narrow type of ocean kayaks and they are a breeze to get going, often have a rudder for steering, are a little heavier, usually above 35 lbs. (up to 60 lbs.), however, can be a little unstable, side to side. Several of my fellow kayakers went swiming, finding this out, when they turned sideways in moderate swell or chop on the ocean. However, after some paddling time, everyone seems to do OK.