Kectail's tails resemble small fish, which they use to lure in their prey before dragging them into their powerful jaws with their tongues. By changing the color of their tails, they can make this mimicry practically indistinguishable.
To withstand the crushing water pressure deep under the sea, its spine is very thick and sturdy. A Pokémon that has the ability to alter its body colors to match its surroundings.
