Murray+Cod

=Murray Cod= © CSIRO Marine Research 1999. Used with permission. The Murray cod grows very big and is a strong and powerful fish. This species of fish has excellent tolerance to a range of conditions including temperature, and can survive in a range of water conditions throughout Australia. Murray cod feed on other fish and crayfish. 
 * [|Identifying features]
 * [|Habitat]
 * [|Optimum range of water quality]

Murray cod can grow to immense sizes - up to 180 cm and 114 kg. Farmed Murray cod usually grow to 55 - 65 cm and 2 - 5 kg. Murray cod have a marbled effect on their skin. Their colouring can range from olive green to a yellowish-green. The following are the main identifying features of the Murray cod: [|back]
 * The caudal fin (tail) is round (not forked).
 * Its head is quite broad, with a slight curve at the top of its head.
 * It has a single dorsal fin with 10 - 12 spines.

Murray cod are found in fresh water, particularly in slow-flowing, murky rivers in the south-east of Australia. They like to hide among fallen trees and other debris in these rivers. Murray cod have also been successfully farmed in lakes and dams. || || [|back]

Temperature || 24 - 25°C || pH || 6 - 8 || Dissolved oxygen || More than 5 mg/l || Turbidity || 30 - 45 cm || Alkalinity || 50 - 100 mg/l || Hardness || 20 - 100 mg/l || Ammonia || Less than 0.1 mg/l || Nitrite || Less than 0.1 mg/l || Salinity || Less than 3 ppt || ||
 * Water quality factor** ||
 * Optimum range** ||
 * Optimum range** ||

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