Lake ecosystem, Mekong River delta, Can Tho, Vietnam

43th place in Biotope Aquarium Design Contest 2019

Vietnam. Tran Hoang Nghia

Volume: 290 L
Dimensions: 120x60x40 cm
List of fishes: Trichopodus trichopterus, Trichopsis pumila,Brachygobius doriae , Metapenaeus sp.
List of plants: Nymphae lotus, Pistia stratiotes, Eleocharis dulcis
Description of decorations: Dried leaves, Melaleuca Driftwood, Phragmites australis leaves
All the elements used in this aquarium, such as the substrate, vegetable Dried leaves, Driftwood, Phragmites australis leaves; the substrate of the aquarium is very fine sand with silt-clayey consistency of brown color.
Description of equipment: external filter JBL , Led lamps T5 120 W, 10000 K, 6500 k
Water parameters: Temperature is 28-29°C, pH is 6.8
Additional info: FITER DIY ATMAN


Description of the area surrounding the biotope: “Lake ecosystem” is part of the Mekong river system, Mekong River Delta is located in the Cai Rang district, Can Tho city, Vietnam.
Natural Lakes are usually the remnants of river sections or dyke breaks. These lakes have little rotation of water, mainly receiving water from seasonal rains. Lakes – where light can pass through the water layer to the bottom and a nutrient-rich mud layer. They help aquatic plants grow strongly such as Nymphae lotus, Pistia stratiotes,… Lakes bottom, organic soil humus and plant debris are a source of food for aquatic organisms, contributing to fish diversity.

Description of the underwater landscape of the biotope: The underwater landscape of the biotope consists of a large number of driftwood, tree roots, alluvials and litter from fallen leaves. The main substrate is dark brown silted sand.

Description of the parameters of the habitat: pH varies from 6.3 to 6.8 depending on the season.

List of fishes and invertebrates occurring in the nature biotope: Trichogaster trichopterus, Trichopsis sp., Channa maculata, Anabas testudineus, Clarias batrachu, Oxyeleotris urophthalmus, Brachygobius doriae.

List of plants found in the nature biotope: Nymphae lotus, Pistia stratiotes, Eleocharis dulcis.

Threats to the ecology: Climate Change,Acidification, soil salinization and loss of nutrients in soils caused by irrigated agriculture and their depletion. As a result, the pollution of the Pond ecosystem, Mekong River Delta. The Mekong Delta is submerged for climate change, adversely affecting its water ecosystem.

Sources of information: All the information gathered in this work comes from the personal on-site survey of this water system, which was turned into a Driver and a Youtube . In them you will find photographs and videos of the area made by me and my partner in the project.

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