Everything you need to know about these vibrant and colourful marine creatures
Q: Where are sea slugs found?
A: They have a truly global distribution, living in tropical, temperate, and polar waters, from shallow intertidal zones to depths of over 2000m.
Q: What do they eat?
A: Their diet includes algae, sponges, anemones, and other invertebrates.
Q: What is the largest known species?
A: The black sea hare, which can grow up to 1 meter in length.
Q: What are some key physical traits?
A: They have soft bodies, may lack a shell or have a very small one, and possess both male and female reproductive organs. Some also have small, finger-like extensions on their back.
About the contributors
Wenzel Pinto
is a marine biologist at the Nature Conservation Foundation and is currently working on reef dynamics and island vulnerability in the Lakshadweep archipelago.
Diviya Mehra
is a graphic designer. She was the former art director of National Geographic Traveller. Her love for animals, travel and design has shaped her career through the years.
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Published: Mar 13, 2025
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