: Prioritize environmental research over decorations. Rare fish will die quickly if the tank's environment level is too low.

: Invest in Environment, Advertising, and Food research to sustain rare species and maximize your revenue. Essential Strategy for New Tycoons

Fish Tycoon 2: Virtual Aquarium — Ultimate Guide is a free-to-play real-time simulation game where you breed, nurture, and sell hundreds of unique fish species to build your own aquatic empire. Core Gameplay Mechanics