#53: 430L Biotope Aquascape: The Snag
Shane Brooks, Glen Waverley Victoria Australia
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Awards and Judge Comments

Third Place

Aquascape Details

Tank Size
122 x 60 x 60 cm (48 x 24 x 24 in)
Volume
430L (114 gallons)
Background
n/a
Lighting
4 x 54W T5 High Output 10000K fluorescent. Two fittings with 2 tubes each.
Filtration
Two Eheim Classic 2213.
Additional Information
The Snag is a representation of woody debris habitats in a lowland stream in south-eastern Australia. All of the plants and livestock in the tank are indigenous to the region with the exception of Ludwigia palustrus, an introduced species now considered "naturalised". This tank is not heated and CO2 is not used. Lighting varies seasonlly with day length (8 hours in winter and 10 hours in Summer). The on/off times of the two light fittings are staggered by 30 minutes to provide a brief sunrise/sunset effect. Fertilisation is through daily additon of small quatities of home-brew trace and macro nutrients.
Title
The Snag
Plants
Giant Vallisneria (Vallisneria americana), Hornwort (Ceratophyllum demersum), Marsh Primrose (Ludwigia palustrus), Blunt Pond-weed (Potamogeton ochreatus), Thin Pond-weed (Potamogeton australiensis), Floating Club-rush (Isolepis fluitans), Common Duckweed (Lemna minor), Water Fern (Azolla filiculoides)
Fish/Animals
11 x River Murray Rainbowfish (Melanotaenia fluviatilis), 5 x Western Carp Gudgeon (Hypseleotris klunzingeri), 30 x Glass Shrimp (Paratya australiensis)
Materials
Substrate is a mix of fine sand/gravel mixed with some red clay soil collected from local streams in Victoria, Australia. Rocks and driftwood were also collected from rivers in the region. The wood is presumed to be a species of Eucalyptus.