The Flowerhorn, also known as the Luo Han Fish, is a popular fish among aquarium hobbyists. While these fish have a reputation for being aggressive, this isn’t always the case. It really depends on how they are raised and cared for in their environment. In general, Flowerhorns can be territorial and may show aggression towards other tank mates if not given enough space or if they feel threatened in any way. However, with proper care and maintenance of your tank environment, you can minimize aggressive behavior by providing plenty of space between them and other inhabitants in the tank so that they do not feel crowded or threatened. Additionally, it is important to provide adequate hiding places such as caves or rockwork where your Flowerhorn can escape from stressful situations or when competing with others over food sources or territory. Ultimately though, it comes down to creating an optimal habitat where all your fish will thrive without having to resort to aggression as a coping mechanism against stressors within the ecosystem.