Jungle waterway of Lago Penera on the Rio Uaupes, Brazil

_ place in Biotope Aquarium Design Contest 2019

Volume: 153 L
Dimensions: 80x60x33 cm
List of fishes: Apistogramma elizabethae, Apistogramma inconspicua, Dicrossus filamentosus, Nannobrycon eques, Paracheirodon axelrodi
List of plants: fallen leaves, deadwood, peat mould, palm plant leaves, fibrous root, fallen wood
Description of decorations: Fallen leaves, deadwood, peat mould, palm plant leaves, fibrous root, fallen wood
Description of equipment: External filter Sen Sen 1500 lph, fluorescent lamps T8 2*30 W, 6000 K, spotlight 2*30 w, 3000 K
Water parameters: Temperature is 26℃, pH is 5.8, gH is 8
Additional info: There are few plants in the water

INFORMATION ABOUT BIOTOPE

Description of the area surrounding the biotope: The Logo Penera jungle puddle in the lower reaches of the Rio Uaupes.The environment of the original site is deep humus and deciduous in the jungle waterway of lake tributaries, the water color is dark brown, and the visibility is low. In the surrounding environment of nearly 50 square kilometers, about 50 centimeters deep puddles can be seen everywhere.

Description of the underwater landscape of the biotope: Branches fall around waterways full of deciduous and withered branches. A large number of fish eggs can be found on the shore of dead leaves of sedimentary plants, surrounded by a variety of palm tree seedlings. In the sapropelic layer of shallow water, a large number of Apistogramma elizabethae,Apistogramma inconspicua,DicrossusFilamentosus, juvenile fish can be found, and their traces can be found everywhere. Most of them live in a section of water between shoals and deep water, move cautiously, travel between deciduous dead branches, communicate with each other, and trace mysteriously. This is an ideal place for all juvenile fish to grow.

Description of the parameters of the habitat: The water contains a large amount of tannic acid and is dark brown. The average temperature is between 26 ℃ and 30 ℃. Deciduous humus is the source of food for most fish.

List of fishes and invertebrates occurring in the nature biotope: Apistogramma elizabethae, Apistogramma inconspicua, Dicrossus filamentosus, Nannobrycon eques, Paracheirodon axelrodi, Hemigrammus bleheri, Paracheirodon simulans, Poecilocharax weitzmani.

List of plants found in the nature biotope: There are few plants in the water.

Threats to the ecology:

Sources of information:
https://mp.weixin.qq.com/s/TfvprfXVKuFm_Ucl6mA3hA
https://mp.weixin.qq.com/s/VSFQ5TYDcDtL9_PRkI_SPw
https://mp.weixin.qq.com/s/JMZIT4fdyV12d3W718D54g
https://mp.weixin.qq.com/s/B9e0fIgbOyPbNrzQ3ml8KA
http://blog.sina.cn/dpool/blog/s/blog_cb7a26b00101aelw.html

Comments of the members of the jury of Biotope Aquarium Design Contest 2019