Imagine this: leedsichthys tameable and rideable. They can harvest metal and oil. They had a platform saddle. They could swallow fish hole and carry them around alive. WELL THEY ARENT TAMABLE! They would be op as a tame.
If you want to trap one make a pin and have an opening big enough for your raft to go through then drive your raft near one and they’ll chase you lead them into the pin and shut it now you can enjoy endless prime fish meat