Jimmy can swim incredibly well, and absolutely loves the ocean, and looking for pretty rocks and shells.
Joel, however, is absolutely terrified of any water deeper than a hot tub because he thinks there might be 'Bloody giant sharks or something'. He's so afraid that every time Jimmy goes diving for shells, he stays on 'sharkwatch' on the shore. And he'll freaks out seeing one of xB's fins, or Cleo in a shark hat terrorising pirate Jevin's ship, and splash wildly towards Jimmy in attempt to save him from the non-existent shark.
.
