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| Fishing & Aquaculture |  |
A
Guide to the Inland Angling Waters of Victoria
River
Basins Map | Angling Waters A-Z
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Millicent Coast Basin
Angling Waters of the Millicent Coast Basin 39
Booroopki
Swamp, Booroopki D 6
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Coast Basin
410h. 15,200ML.
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Goldfish
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A natural lake surrounded by private grazing land, but there are access tracks on Crown Land. Water level fluctuates but dries out only in exceptionally dry periods. It is currently dry. When full, contains redfin to 1kg, abundant Murray cod to 20kg, Australian smelt, flat-headed gudgeon and goldfish. Boating is possible with small boats but care should be taken because of submerged timber. Small boats can be launched from the bank. Murray cod have previously been stocked and may have also entered from overflow of Lake Charlegrark.
Bringalbert
Lake, Bringalbert D 8
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100ha. 2,460ML.
A natural lake surrounded by grazing land and scrub. When full, contains redfin to 900g, flat-headed gudgeon and Australian smelt. Water levels are low at present and the lake may be stocked with golden perch when conditions become suitable.
Carpolac
Lake, Ozenkadnook E 8
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40ha. 1,475ML.
A natural lake surrounded by grazing land. Contains redfin to 1kg, flat-headed gudgeon, and goldfish. Has been stocked in the past with Murray cod. May be stocked with golden perch when it recovers from the current low water levels.
 Murray cod research at Lake Charlegrark |
Charlegrark
Lake, Booroopki D 7
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40ha. 1,680ML. Camping, boat ramp.
A natural lake surrounded by farmland. Good access on the western shore, the northern and eastern shores are private property. Camping facilities with powered sites are available at the recreation reserve. Lake Charlegrark was the site at which the Murray cod propagation techniques now used at the Department’s Snobs Creek hatchery were developed. Like most waters in the district, the lake is nearly dry at present but used to contain Murray cod to 35kg, goldfish, Australian smelt, flat-headed gudgeon and redfin at times.
It is planned to restock
with Murray cod when the water levels recover.
Collins
Lake, Edenhope F 10
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50ha. 2,080ML.
A natural lake surrounded by grazing land and accessible from the Horsham-Edenhope Road. Carries abundant redfin av. 350g when conditions are suitable. In mid 2002, the lake was 100cm deep with a salinity of 6,200EC. Was stocked with Murray cod in the 1970's.
Mosquito
Creek, Langkoop B 11
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Flows through cleared land and consists of deep pools separated by very shallow runs and abundant aquatic vegetation. Carries a few brown trout, rainbow trout and Yarra pygmy perch but the better fishing areas are in South Australia.
Ratzcastle
Lake, Goroke G 7
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40ha. 980ML.
A very shallow, sand-bottom lake surrounded by light forest. Carries abundant redfin of a good average size when conditions are suitable, also tench. Freshwater catfish were illegally stocked during the 1990’s.
Wallace
Lake, Edenhope E 10
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180ha. 8,650ML. Camping facilities and boat ramps.
A man-made lake adjacent to Edenhope with grazing land on the northern shore. Abundant aquatic weed makes it difficult to fish and can result in loss of hooked fish.
A popular fishing water, reasonable for fly-fishing, and capable of supporting heavier fishing pressure. Water depth is only 50-100cm in mid 2002, but when suitable, the lake carries redfin to 1.4kg, (av. 500g), rainbow trout to 1.3kg, (av. 1kg), brown trout to 2.3kg, (av. 1.8kg) and abundant tench to 1.7kg, (av. 1kg). Non-specked hardyhead were recorded in 1971, but there is some doubt about this record. The lake is usually stocked with brown trout and rainbow trout when water conditions are favourable.
Water Salinity
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Salinity refers to the amount of salt in water (expressed as total dissolved solids, TDS). Most common salts in Victorian inland waters are derived from common salt, gypsum, and lime (calcium carbonate or sometimes magnesium carbonate). Salinity is expressed in electro-conductivity units abbreviated as EC. (1.6EC =1mg/L, (milligrams per litre); mg/L=parts per million (ppm). Salinity is also expressed as parts per thousand. 1ppt = 1,600EC.
Categories of TDS given in Water Victoria (1989) are:
Adverse biological effects begin to occur in freshwater rivers when salinity exceeds 1,500EC. Almost all adult native freshwater fish species can tolerate quite high salinities (16,000EC) with some species able to withstand sea water (56,000EC). In order to maintain this salt/water balance, active and passive transport of salts and water, both into and out of tissues takes place.
Fish in freshwater have an internal salt concentration greater than that of the external medium and large volumes of fresh water enter the body via osmosis through the gills and oral membranes. In order to maintain their salt concentration, they actively absorb salts through their gills and also reabsorb salts from their kidneys. Their urine is therefore very dilute.
Marine fish have an internal salt concentration less than that of the external medium. Water moves out of their body by osmosis and they dehydrate. To compensate for this, they drink large amounts of water, which in conjunction with salts is absorbed by the gut. Salts (Mg, SO4 & CL) are filtered out of the blood by the kidneys while Na, K & CL are excreted by the gills. Their urine is very concentrated. The survival of freshwater fish in saline conditions therefore requires them to be able to maintain their correct level of internal salt concentration or osmolality. All teleost (bony) fish, both marine and freshwater, maintain their internal osmolality at about the same level (7-13g/l TDS).
If a freshwater fish exposed to saline or brackish water does not have the necessary biological mechanisms to control internal water and salts, then its osmotic balance will be upset and the fish will die.
| Department of Primary Industries, Victoria, Australia |
© The State of Victoria