How do I fish for Pokemon in Emerald? (What am I doing wrong)?

Question

So, taking Silverdragon's suggestion, I have decided to try to get a Sharpedo.
The problem is, is that when I fished before, I my encounter/miss ratio is was 2/40, or something like that, because I nearly always lose the Pokemon when it gets hooked.
Am I doing anything wrong? If do, what? Is there a special technique?

Answer 1

Get a Pokemon with Suction Cups or Sticky Hold

A Pokemon with Suction Cups or Sticky Hold will increase your chance of hooking up a Pokemon.
Grimer, Muk, Gulpin and Swalot have the ability Sticky Hold
Octillery has Suction Cups as well as Lileep and Cradily

Comments

Oh, so even if I click 'a', it's still based on random chance whether it actually hooks or not?
This settles it. Gen 3 is officially the hardest gen in my book.

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thanks

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Nope. I'll find out what exactly the chance

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no, no it's fine. you've done enough.
(I was being sarcastic)

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Hmmm from various sites and forums I think its something like 75% but I odn't think its been confirmed o.o

Answer 2

Suction cups like silverdragon said and sticky hold is an easier way to fish you can also fish next to a wall which is increase chance of hooking or at least by how I have noticed also I would use the super rod on route 119 to catch carvanha instead of sharpedo easier catch rate and very common with the rod I caught mine at level 39