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Fish stocking of Sandown Park Wetland

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Slide 1 nightfish nightfish Bostockia porosaBostockia porosa western minnowwestern minnow ((Galaxias occidentalisGalaxias occidentalis)) western pygmy perch western pygmy perch Edelia vittataEdelia vittata mosquitofish (mosquitofish (Gambusia holbrookiGambusia holbrooki)) Swan River goby (Swan River goby (Pseudogobius olorumPseudogobius olorum)) David Morgan & Stephen Beatty Fish stocking of Sandown Park WetlandFish stocking of Sandown Park Wetland FERAL INTRODUCED Four fishes native to southFour fishes native to south--western Australia have been stocked into the wetland for western Australia have been stocked into the wetland for mosquito and midge control. Three of these species are endemic mosquito and midge control. Three of these species are endemic to the southto the south--west and are west and are thus found nowhere else. Also stocked were freshwater shrimp (thus found nowhere else. Also stocked were freshwater shrimp (Palaemonetes australisPalaemonetes australis) ) and gilgies, both of which are endemic to southand gilgies, both of which are endemic to south--western Australia and are important in western Australia and are important in aquatic aquatic foodwebsfoodwebs. . The feral mosquitofish has been The feral mosquitofish has been beenbeen stocked by an unknown source stocked by an unknown source –– this species is native this species is native to North America and is a pest species in Australia, it is aggreto North America and is a pest species in Australia, it is aggressive and preys on native ssive and preys on native fishes.fishes. Gilgie (Gilgie (Cherax quinquecarinatusCherax quinquecarinatus))

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