News by Angie Raphael 12th Mar 2021 5:45 AM Sea slugs have washed up along parts of Western Australia s southern coastline, prompting toxicity fears for water users and their pets, while algal blooms are also bringing a foul smell to the area. Shire of Augusta Margaret River co-ordinator of landcare/environment John McKinney told NCA NewsWire a large species of sea hare had been washing ashore along the Augusta coastline and lower parts of the Hardy Inlet since February 10. The sea slugs have been washing up for weeks. Picture: Shire of Augusta Margaret River He said it was a regular occurrence in late summer but the numbers this year seemed higher.