Incredibly, the UK is home to the largest land slug in the world – the ash-black slug. Despite its name, they come in all different colours, from toffee-blonde to brown and deep charcoal.

Rather than hiding from predators, the brightest and most patterned sea slugs are active during the day so their colors shine ...

In fact, there are approximately 40 species of slug in the UK. They vary in size and can take on different hues, ranging from a snot green to a muddy brown. Even if you don’t think there are any ...