<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Hundreds of dead scaley mackerel are floating off a Western Australian beach, sparking an investigation and orders not to enter the water.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The fish kills were found between the Woodman Point Ammo Jetty and the Omeo Wreck, south-west of Perth, with onshore winds causing some to wash up on Coogee Beach.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A beach cleaning contractor was on site this morning to clear the fish, allowing the area to since reopen.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/keith-lees-meaghan-louise-rose-man-to-face-court-for-partners-alleged-murder-in-1997/5b56673e-9804-4c27-893d-20def1afff8f" rel="" target="_blank" title=""><strong><span>Cold-case murder accused's case heard for the first time</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The WA Department of Primary Industries has collected information and samples to investigate the cause of death.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Due to advice from the department, the council also temporarily closed C.Y. O'Connor Beach, south of Catherine Point Groyne, this morning.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Up to 300 dead fish had washed up in the area.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/wa-coogee-beach-dead-mackerel/a12ad5af-a204-4353-b144-e4da91781b64" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A contractor will visit the site today to clean up the beach. </span></div></div><div class="styles__Wrapper-sc-2o34ro-0 cmwkBV"><div class="styles__Column-sc-2o34ro-3 jJDKrX"><a href="/content/2021/06/09/14/52/mysterious-creatures-of-the-deep"><img alt="" sizes="(min-width: 1024px) 636px, (min-width: 768px) 396px, 100vw" src="https://imageresizer.static9.net.au/L70m8ko9zIr4QvA-In3vNpJGFRA=/0x0:3304x1858/396x223/https%3A%2F%2Fprod.static9.net.au%2Ffs%2F20aa3df2-75ea-4b23-bf66-d8be20e48c56" srcset="https://imageresizer.static9.net.au/L70m8ko9zIr4QvA-In3vNpJGFRA=/0x0:3304x1858/396x223/https%3A%2F%2Fprod.static9.net.au%2Ffs%2F20aa3df2-75ea-4b23-bf66-d8be20e48c56 396w, https://imageresizer.static9.net.au/lp4Zls9tKR-mMBcZMbp4xL_6Wrs=/0x0:3304x1858/636x358/https%3A%2F%2Fprod.static9.net.au%2Ffs%2F20aa3df2-75ea-4b23-bf66-d8be20e48c56 636w"/></a></div><div class="styles__Column-sc-2o34ro-3 jJDKrX"><div class="styles__Headline-sc-2o34ro-4 hpbOlz">First-of-its-kind predator discovered 8000km underwater</div><div class="styles__Button-sc-2o34ro-1 eBjlmW"><a class="styles__ButtonLink-sc-2o34ro-2 hqpklJ" href="/content/2021/06/09/14/52/mysterious-creatures-of-the-deep">View Gallery</a></div></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Beachgoers are urged not to swim or fish in the North Coogee area due to a "high level of bacteria" and "objectionable odour".</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The dead fish should not be used for bait or consumption, either by people or their pets.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The WA Department of Primary Industries also warned that the fish may also wash up at other nearby beaches and to report any further sightings.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f" title="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f"><em><strong><span>DOWNLOAD THE 9NEWS APP</span></strong></em></a><em><strong><span>:</span></strong></em><span> </span><em><strong><span>Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. 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