Black sea nettle Backstage at the Aquarium. Here’s a black sea nettle (Chrysaora achlyos). 18 April 2019 Vancouver Vancouver Aquarium ← Lumpsuckers → Clownfish Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.