Red: When attacked, it launches its horns in quick volleys. Its innards have never been seen.Yellow: For protection, it uses its harder- than-diamonds shell. It also shoots spikes from the shell.Gold: Once it slams its shell shut, it is impossible to open, even by those with superi or strength.
Prof. Lotus' Notes: There's no denying that thus Pokemon resembles a very specific body part. And the 'clam' aspect of it ultimately makes it the perfect double entendre. The change in shiny colour is even further futher linked to it. It could have been Gold like it's pre-evolution but it's blue reminds me of... Waffles? PLEASE DON'T GOOGLE THAT.... You heard it here first.