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Weeping Toadfish found in the Swan River at Como
September 21, 2026
was recorded in the Swan River at Como on 2026-09-12. This estuarine and brackish-water species regularly inhabits the freshwater reaches of the Swan River system. The toadfish's consistent presence through multiple seasons indicates stable conditions in these lower river reaches.
Caddisfly larvae found in Wembley waterway
September 21, 2026
caddisfly larvae were recorded in Wembley on 2026-09-13. Caddisfly larvae are sensitive to pollution and low dissolved oxygen, so their presence indicates clean, well-oxygenated water. Urban streams with pollution-sensitive taxa present have reached acceptable conditions for these indicator species.
Aurora Bluetail damselfly seen in Yokine
September 21, 2026
damselfly was recorded in Yokine on 2026-09-20. Damselfly activity increases in spring and early summer as water temperatures warm across the Perth region. The recent sighting marks the start of their peak season in freshwater habitats.
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