What we want to know about fish
The Slow Pitch Jerk, Kansai no Tsuri, Salt Water Series vol.24
Out of our slow pitch jigging bible, I’d like to share some interesting articles by Hiroyuki Sato about fish sensory system.
fish depends on sound
Human audible range is from 20Hz to 20,000Hz, while fish is about from 20Hz to 2000Hz. It’s limited to low-pitched sound.
What we need to consider about the sound is the line. Jiggers actively move the line to fish and it must be creating a lot of sound vibrations in the water. The thicker line is stronger. And thinner line gets more contacts. This is a fact that we all face. When I used to do jigging with a thick leader, Sato Sensei pointed out to me that it is like fishing with a 5 meter jig.
Fish is probably not hearing the metal clicking at the rings and the hooks.
On the other hand, it’s considered to be very effective to knock the bottom to make a sound. Making a little commotion of something feeding on something always attract other fish-eaters.
From my experience as a free diver, I totally agree that fish live in the world of sound. Sound travels in the water much faster and further than in the air, while light doesn’t travel well. There’s no reason for fish to depend on eye sight like we human depend 90% on it. That’s exactly the reason why dolphins, once eye-sight dependent land animal, have developed the special auditory sensory system called echo-location to perfection.
Our target fish should be at the verge of one way to predation and the other way to cautiousness. Which way it rolls to may be like a roll of a dice. But we sure want to give as little warning factors as possible.
Sudden impact to the line moves the line to slash through the water and make sound waves. So I’m convinced that it’s so important to pick up the jig softly after each falls and connect every actions to flow. Slow pitch jigging is so effective because it gives so much time to the jig to swim on its own.
what fish pays attention to
Sato Sensei points out fish avoid anything moves toward them. Like we do. We back off to a tiny fly if it moves toward us. Also they chase after anything runs away from them.
Sato Sensei also points out that when they attack a school of fish, they target ones that are not swimming well.
Our focus is on funny but natural movements. That is why we want to let the jig swim on its own and try to have that hangtime as long and as many as possible.
This notion is what’s getting me hung up on right now. A fish may be chasing up my jig on lift, and I may be letting the jig fall backward, toward the fish to scare it away. I want to learn different techniques how to start the fall with each different jigs. Mr. Hirota taught me a couple but I don’t think I have it fully. I will share when I get it.
Conception of time
The movements fish are interested in
A. Disoriented or crippled, twirling motions
B. Tore away from the school, panicking motions
C. Knocked unconscious, suspending motions
C is the most favorable baits of all. I think this is the main focus Sato Sensei created this method on, to get continuous small horizontal movements, rather than rapid vertical movements.
It is considered that fish conception of time is 55 times faster than humans. Meaning that they see everything in slow motion x55. 1 second of flash movement for us is like a 1-minute slow motion. This is how they perceive the fast moving object precisely.
On the other hand, a slow moving object should look like it’s suspending in the water. Slow pitch jigging takes advantage of fish conception conversely.
This was a big break through for me. Every movements are slow motions to fish!!! Wow… I don’t know how I can take this knowledge into my tactics, but it’s good to know. Maybe I should perform the change of pace more drastically.
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