Kokan rivers biotope

_th place in Biotope Aquarium Design Contest 2020

Volume: 35 L
Dimensions:  60x30x22 cm
List of fishes: Devario aequipinnatus, Indoreonectes evezardi, Rasbora daniconius
List of
plants: Limnophila sessiliflora, Blyxa aubertii, Blyxa japonica
Description of decorations:

Driftwood: You well knows Ratnagiri is famous for mango. This rivers area has a lot of mango trees, so htere always found this driftwoods in river.

Stones: Ratnagiri is beauty made from red laterite stones therefore laterite stone are taking bath in this river.

Gravel: This rivers are travels in laterite rocks, terefore river is flow make naturally fine laterite gravel.

Leaves: I used mango dried leaves from river.
Description of equipment: 2 x 12 watt Tubelight
Water parameters: Temperature 27C, pH 7,2, hardness 12 dGH
Additional info: I change water daily 15 %


Description of the area surrounding the biotope:  In this area found mango trees, coconut trees, banana trees, cashew trees. This river flowing into laterite rock. This rivers are not long only 10 to 20 km. This rivers flow water which from mountains. This mountains are not big, has 125 – 200 meter height.
of the underwater landscape of the biotope: This rivers has laterite stones. And rivers make naturally fine gravel from laterite stone. This gravel and soil has high level iron so there was survived high red plants like red ludvigia and blyxa japonica.
Description of the parameters of the habitat: This river has clear water (in winter and summer). In rainy season this rivers red colour water due to laterite soil. After rain water become cloudy. Water temperature fluctuating with season 22 – 30 C. pH was 7 – 7,5. And hardness was 7 – 20 dGH
List of fishes and invertebrates occurring in the nature biotope: Devario aequipinnatus, Indoreonectes evezardi, Rasbora daniconius
List of plants found in the nature biotope:  Limnophila sessiliflora, Blyxa aubertii, Blyxa japonica
Threats to the ecology: The biotope I scaped not only for contest. After contest I reveled native plants and fishes beauty to our local people.
Sources of information: Any media have not informatoin about this biotope. I studied this biotope on this river location.

Comments of the members of the jury of Biotope Aquarium Design Contest 2020