What's under this aquatic tree??

this is a water hyacinth or water hyacinth plant (Latin: Eichhornia crassipes) is one type of floating aquatic plants. Besides known as water hyacinth, in some areas in Indonesia, water hyacinth has another name such as in the area of ​​Palembang known as Kelipuk, in Lampung known by the name of Ringgak, in Dayak known by the name of Ilung-ilung, in Manado known as Tumpe. Hyacinth was first discovered by scientist Carl Friedrich Philipp von Martius, a German botanist in 1824 while on an expedition in the Brazilian Amazon River.
it turns under a pile of water trees there are a bunch of fish very much, I get this area of ​​aceh Indonesia, the result is very amazing