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@sarahamilton593 It looks like a bacterial infection. It can be quite prevalent in Southern California urchin barrens. For example: https://t.co/JwmLNSo9G2 https://t.co/LA3XOkB5gH
@sarahamilton593 It looks like a bacterial infection. It can be quite prevalent in Southern California urchin barrens. For example: https://t.co/JwmLNSo9G2 https://t.co/LA3XOkB5gH