13K views · 225 reactions | See this incredible species of seal slug known for their bright colours and distinctive shapes. | National Geographic UK | Facebook

7.2K views · 712 reactions | Nudibranchs are colorful, soft-bodied sea slugs that breathe through feathery gills on their backs. They can steal stingers from jellyfish, glow, or mimic other creatures—tiny, toxic, and fabulous fashion icons of the sea! #nudibranch | Critter Hunter | Facebook

Blue Glaucus Nudibranches or “dragon slugs” are ocean current drifters that float upside down by using the surface tension of the water to stay up. These sea slugs feed on venomous siphonophores such as the Portuguese man o' war. #sealifesaturday 🌊 🎥 by @JacintaShakleton/IG | Science Channel