In Feed and Grow: Fish, you take control of a fish in a 3D underwater environment. Your goal is to grow your fish by eating smaller fish and avoiding being eaten by larger fish. The game features realistic 3D graphics and simple controls.
If you're looking for more games like Feed and Grow: Fish, here are five of the best.

• Aqua Life 3D
  Aqua Life 3D is a simulation game that lets you play as a variety of different fish species. You'll start off as a small fry and grow to be a massive predator. The game features stunning 3D graphics and a variety of environments to explore.
• Fish Tycoon
  In Fish Tycoon, you play as a fish farmer who must care for and breed different types of fish. You must also sell your fish in order to make money and expand your business. The game features a variety of different fish, each with their own unique characteristics. In Fish Tycoon, you'll breed and care for a variety of different fish species. You'll need to maintain your tanks, feed your fish, and sell them to customers. The game features a variety of different challenges to keep you engaged.
• Fish World
  Fish World is a social game that lets you connect with other fish keepers from around the world. You'll be able to chat with other players, trade fish, and compete in a variety of challenges. The game features a variety of different fish species to collect.
• Aquapark.io
  This game is also set in an underwater environment, but with a more light-hearted feel. In Aquapark.io, you play as a little cartoon fish, swimming around in a brightly-colored aquarium. The goal of the game is to be the first fish to make it to the finish line at the end of the water slide. Along the way, you can eat other fish to grow larger, and use power-ups to speed up or slow down your opponents.
• Slither.io
  This game shares some similarities with Feed and Grow: Fish, in that you play as a snake-like creature, and the goal is to grow as large as possible by eating other creatures. However, Slither.io is set in a 2D environment, and the gameplay is much faster-paced. There are also power-ups that can be used to give your snake a temporary speed boost or invulnerability.