What freshwater fish generally swim at the top levels of an aquarium?

Here are some freshwater fish that generally swim at the top levels of an aquarium:

Surface Dwellers:

* Hatchetfish: These unique fish have a flattened, hatchet-shaped body and are known for their graceful, fluttering swimming style at the surface.

* Danios: A popular choice for beginners, danios are active and social fish that often swim in schools near the top.

* Rasboras: Similar to danios, many rasbora species prefer the upper layers of the tank.

* Rainbowfish: Some species, like the Boesemani Rainbowfish, are known for their vibrant colors and top-swimming habits.

* Neon Tetras: While not always strictly top dwellers, these colorful fish often spend time near the surface.

* Gourami: Some dwarf gourami species, like the Honey Gourami, tend to stay near the top.

* Swordtails: These livebearers are known for their long, sword-like tails and often swim at the surface.

* Platy: Like swordtails, platy are livebearers that are often found near the surface.

* Guppies: Another popular livebearer, guppies are known for their diverse colors and their tendency to swim at the top.

Note: The specific behaviors of fish can vary depending on individual personality, tank size, and the presence of other fish. However, the fish listed above are generally considered surface dwellers or top-swimming species.

Tips for Creating a Top-Dwelling Habitat:

* Plants: Floating plants, like water hyacinths and water lettuce, provide cover and shade for top dwellers.

* Flow: Moderate water flow can encourage surface-oriented swimming.

* Lighting: Bright lighting can attract insects to the surface, providing a natural food source for top dwellers.