Blue Sea Dragon and Blue Button
- Context (WION): Two venomous marine organisms usually found in the deep sea, blue sea dragons and blue button, were spotted at Chennai’s shoreline.
- They can cause skin irritation.
- They are brought ashore by Cyclone Michaung.
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Blue Sea Dragons
- Sea slugs are shell-less molluscs that come in various colours and shapes.
- Blue sea dragons are a type of sea slug.
- They are often spotted in groups, creating formations known as ‘blue fleets’.
Blue Buttons
- Blue buttons get their name from their button-like shape.
- They are not a single organism, even if they appear so.
- They are a colony of small predators called hydroids.
- They are often confused with jellyfish, which are closely related to them.
