—New Horizons. The giant trevally is a rare fish introduced in New Leaf. Read this Animal Crossing: New Horizons Switch (ACNH) Guide on Giant trevally. This fish is available from May through October at any time during the day. "I caught a giant trevally! Find out the sell price, how to catch, what time of the day and year it spawns, and more! Giant trevally - Price and Spawn Conditions Giant trevally - Appearance … Table Of Contents. Yeah, I'm pretty well-trevalled." If you’re looking to catch a Giant Trevally, you’ll want to make sure your fishing during the right months in the correct location. It has a large shadow, comparable to the Sea Bass, and can only be found by fishing off a pier. This page will teach you how to catch a Giant Trevally in Animal Crossing: New Horizons (ACNH) for the Nintendo Switch. Here you can find Giant Trevally's Shadow Size, Sell Price, and its Locations and Times available for both Southern and Northern Hemisphere. Appearance and Price; Time And Spawn Location; Months It Appears (By Hemisphere) Fish List: Bug List: Rare Bug & Fish Ranking List. In New Leaf, it is only found in the waters around the island; in New Horizons, it now spawns by the pier.