How do you get fish to swimin the middle of tank?

You can't really force fish to swim in the middle of the tank! Fish have their own preferences and behaviors, and trying to manipulate them will likely lead to stress and unhappiness.

Here's why fish might prefer the edges or bottom of the tank:

* Natural instincts: Many fish naturally feel safer near the edges or bottom, where they can hide from predators.

* Water current: Fish may gravitate to areas with less water current, especially if they are not strong swimmers.

* Light: Some fish prefer darker areas and might avoid the well-lit center of the tank.

* Food: If you feed your fish in a specific location, they may congregate there.

Instead of trying to force them to the center, focus on creating a healthy and enriching environment for them:

* Aquascaping: Use plants, rocks, and other decor to create hiding places and different levels within the tank.

* Water flow: Make sure your filter doesn't create excessive currents in the center of the tank.

* Lighting: Use a low-intensity light or provide some shaded areas.

* Feeding: Vary your feeding routine to encourage exploration and keep your fish active.

Remember, each fish species has unique preferences. By providing a comfortable and stimulating environment, you'll create a space where your fish can thrive and naturally explore all areas of their tank.