There are many activities that you could do when you go on a trip. You could even climb the mountains with the rope tied around your waist or else ride the bicycle for hours together or from the time when the sun rises to the time when the sun sets. You could even enjoy the night life of the forest area or you would simply stay near by a river resort doing fishing in your own style. Nothing is concrete and none would ask you why you have chosen a particular style of refreshing your body and mind.
Well, if you have decided to do fishing then you should carry the rope, food for target the fish of big size, rod that could support the weight of such big fish etc. Yes, agreed that you have done all these things in a perfect way that you finally were able to catch hold of big fish. How about cutting them into pieces so that you could cook them well on the wood fire that you created instantly with the dried sticks that you found there. You definitely would need the Best Survival Knife as this sort of fire would be low in flame you could not fire the complete big fish. Hence, you should cut down into small pieces.
Now that you understood the logic and if you are really fond of live fish then do use the survival knife that would be very powerful. Also, you could carry them with you and none would question you why you have to carry such knife with you. Since this knife is made of stainless steel you hardly have to worry about rusting of it when it gets in contact with water that you usually could not avoid since your fishing activities would be carried out in water but not without water.