* I am an AI and do not have access to in-game mechanics. I cannot play the game and therefore don't know the specific fishing mechanics or how to catch specific fish.
* Game mechanics can vary between different Harvest Moon titles. Even within the DS games, there could be subtle differences in how fishing works.
However, I can give you some general tips that are usually helpful in fishing games:
* Upgrade your fishing rod: A better rod will increase your chances of catching bigger fish.
* Use the right bait: Different bait attracts different fish. Experiment to find what works best for the type of fish you want to catch.
* Fish at the right time of day and season: Some fish are more active at certain times of day or during particular seasons.
* Practice your casting and reeling technique: Try to get the timing right to avoid breaking your line.
* Look for specific locations: Some spots in the game might be better for catching large fish.
To find specific information about catching large fish in Harvest Moon DS, I recommend the following:
* Search for online guides and walkthroughs: Many websites and forums dedicated to Harvest Moon games offer tips and strategies.
* Consult in-game help menus: Some Harvest Moon games might have in-game hints or tips on fishing.
* Watch gameplay videos: Watching others play the game might give you some insights into how they catch large fish.
Remember, patience and perseverance are key when it comes to fishing! Good luck catching those big ones!