There are a total of 200 Animal Crossing New Horizons Critters. Includes Fish, Bugs, and Sea Creatures. To catch them, you need to check the time and weather ahead of time. You can't catch it with your bare hands, you also need the ACNH Tools Set. ACNH Critter's items list is complete, including Fishx80, Bugx80, and Deep Sea Creaturesx40. If you collect All Critters, you may need a year. Keep it simple, Buy Animal Crossing Critters now.