I can't chase down the second Gorebyss in the Canal Ruins. I already have..

if you click on the ledge that looks like it could be target cleared. it'll get stuck and you can catch it ,but first you have to catch two huntail.

Use the currents to chase after the Gorbyss. Do this in the left dirrection. catch any other pokemon that get in your way first, you will have better luck with that. After catching the Huntail, try the Gorbyss again. Try to cut it off at the last turn by the target clear sign.

Good Luck!
P.S: If you have any other troubles, post them here, i'll help you! Iv'e beaten the entire game!

You need to knock the gray block down with 2 pkn attacks

For the second gorebyss you need to make a target clear with 2 huntails this was also bugging me 4 a while 2. It is above the current which is at the floor