It takes roughly a single real time hour for the fish to reach 6 years of age, so to become an adult (20 years old), it would take almost 3 and a half real time hours from the time they hatch. While you are discovering the world of Fish Tycoon 2: Virtual Aquarium, we’ll be investigating lots of new and exciting changes for the future. How long does it take for fish to grow in fish Tycoon 2 To feed them drag the food (first item in your inventory) into the tank. The truth is, we are a small team and putting everything that we want into these games is not always possible. Just like a real world, this one will be changing and growing along with the families of pet fish you collect and care for. I’m happy to tell you it’s your lucky day!! Now you can rediscover and explore the lost magic fish of Isola as you feed, breed, and sell your way from small time merchant to the ultimate aquatic entrepreneur!ĭive into a delightfully fishy adventure of a real-time virtual aquarium with over 400 unique and distinctive fish to discover: it’s an adorable fishtank mania! Now I'm breeding tanks of all the fish types with one fin type. Hi there! I know you've been waiting a long time for the opportunity to become a bigger and better fish tycoon. Below are pictures of the tanks of fish I have bred.