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

Bull sharks have a surprising adaptability: they are able to move freely between salt and fresh water. Tune-in to five full weeks of Sharkfest on National Geographic every night at 8/7c—and available next day on Hulu. | National Geographic

Correction: This species is a dorid, not an aeolid. The appendage is a gill plume used for respiration—not a cerata. Unlike other mollusks, these colorful sea slugs don't have shells or gills. | National Geographic

25K views · 722 reactions | Meet the underwater showstopper: the colorful nudibranch ✨. These tiny sea slugs come in neon shades and wild patterns, warning predators that they’re toxic snacks. Think of them as the high-fashion models of the ocean floor—slow, but serving looks. #MarineLife #OceanCreatures #Nudibranch #SeaSlugs #MarineBiology #UnderwaterWorld #SeaLife #MarineConservation #WildlifePhotography #OceanLovers | Discvr Blog | Facebook